Toyota Avalon Hybrid (2022 year). Manual in english — page 14
406
5-4. Other interior features
WARNING
■When programming a garage door or other remote control device
The garage door or other device may operate, so ensure people and
objects are out of danger to prevent potential harm.
■ Conforming to federal safety standards
Do not use the HomeLink® compatible transceiver with any garage door
opener or device that lacks safety stop and reverse features as required by
federal safety standards. This includes any garage door that cannot detect
an interfering object. A door or device without these features increases the
risk of death or serious injury.
■When operating or programming HomeLink®
Never allow a child to operate or play with the HomeLink® buttons.
407
Maintenance and care
6
6-1.
Maintenance and care
Cleaning and protecting
the vehicle exterior
408
Cleaning and protecting
the vehicle interior
411
6-2.
Maintenance
Maintenance
requirements
414
General maintenance
416
Emission inspection and
maintenance (I/M)
programs
420
6-3.
Do-it-yourself
maintenance
Do-it-yourself service
precautions
421
Hood
423
Positioning a floor jack
424
Engine compartment
425
12-volt battery
433
Tires
437
Tire inflation pressure
449
Wheels
452
Air conditioning filter
454
Cleaning the hybrid
battery (traction battery)
air intake vent and
filter
456
Electronic key battery
461
Checking and replacing
fuses
464
Light bulbs
467
408
6-1. Maintenance and care
Cleaning and protecting the vehicle
exterior
Perform the following to protect the vehicle and maintain it in
prime condition:
● Working from top to bottom, liberally apply water to the vehicle
body, wheel wells and underside of the vehicle to remove any dirt
and dust.
● Wash the vehicle body using a sponge or soft cloth, such as a
chamois.
● For hard-to-remove marks, use car wash soap and rinse thoroughly
with water.
● Wipe away any water.
● Wax the vehicle when the waterproof coating deteriorates.
If water does not bead on a clean surface, apply wax when the vehicle
body is cool.
■Automatic car washes
● Fold the mirrors before washing the vehicle. Start washing from the front of
the vehicle. Make sure to extend the mirrors before driving.
● Brushes used in automatic car washes may scratch the vehicle surface,
parts (wheel, etc.) and harm your vehicle's paint.
● Vehicles with a rear spoiler: In certain automatic car washes, the rear spoiler
may interfere with machine operation. This may prevent the vehicle from
being cleaned properly or result in damage to the rear spoiler.
■ High pressure car washes
As water may enter the cabin, do not bring the nozzle tip near the gaps
around the doors or perimeter of the windows, or spray these areas continu-
ously.
■ When using a car wash
If the door handle becomes wet while the electronic key is within the effective
range, the door may lock and unlock repeatedly. In that case, follow the fol-
lowing correction procedures to wash the vehicle:
● Place the key in a position 6 ft. (2 m) or more separate from the vehicle
while the vehicle is being washed. (Take care to ensure that the key is not
stolen.)
● Set the electronic key to battery-saving mode to disable the smart key sys-
tem. (P. 154)
6-1. Maintenance and care
409
■ Wheels and wheel ornaments
● Remove any dirt immediately by using a neutral detergent.
● Wash detergent off with water immediately after use.
● To protect the paint from damage, make sure to observe the following pre-
cautions.
• Do not use acidic, alkaline or abrasive detergent
• Do not use hard brushes
• Do not use detergent on the wheels when they are hot, such as after driv-
ing or parking in hot weather
■ Brake pads and calipers
Rust may form if the vehicle is parked with wet brake pads or disc rotors,
causing them to stick. Before parking the vehicle after it is washed, drive
slowly and apply the brakes several times to dry the parts.
■ Bumpers
Do not scrub with abrasive cleaners.
■ Plated portions
If dirt cannot be removed, clean the parts as follows:
● Use a soft cloth dampened with an approximately 5% solution of neutral
detergent and water to clean the dirt off.
● Wipe the surface with a dry, soft cloth to remove any remaining moisture.
● To remove oily deposits, use alcohol wet wipes or a similar product.
WARNING
6
■ When washing the vehicle
Do not apply water to the inside of the engine compartment. Doing so may
cause the electrical components, etc. to catch fire.
■ Precautions regarding the exhaust pipes
Exhaust gasses cause the exhaust pipes to become quite hot.
When washing the vehicle, be careful not to touch the pipes until it has
cooled sufficiently, as touching a hot exhaust pipes can cause burns.
■ Precaution regarding the rear bumper with Blind Spot Monitor
If the paint of the rear bumper is chipped or scratched, the system may mal-
function. If this occurs, avoid using the system and consult your Toyota
dealer.
410
6-1. Maintenance and care
NOTICE
■ To prevent paint deterioration and corrosion on the body and compo-
nents (aluminum wheels, etc.)
● Wash the vehicle immediately in the following cases:
• After driving near the sea coast
• After driving on salted roads
• If coal tar or tree sap is present on the paint surface
• If dead insects, insect droppings or bird droppings are present on the
paint surface
• After driving in an area contaminated with soot, oily smoke, mine dust,
iron powder or chemical substances
• If the vehicle becomes heavily soiled with dust or mud
• If liquids such as benzene and gasoline are spilled on the paint surface
● If the paint is chipped or scratched, have it repaired immediately.
● To prevent the wheels from corroding, remove any dirt and store in a place
with low humidity when storing the wheels.
■Cleaning the exterior lights
● Wash carefully. Do not use organic substances or scrub with a hard brush.
This may damage the surfaces of the lights.
● Do not apply wax to the surfaces of the lights.
Wax may cause damage to the lenses.
■ When using a high pressure car wash
● Do not bring the nozzle tip close to boots (rubber or resin manufactured
cover), connectors or the following parts. The parts may be damaged if
they come into contact with high-pressure water.
• Traction related parts
• Steering parts
• Suspension parts
• Brake parts
● Do not wash the underside of the vehicle using a high-pressure car
washer.
● Keep the cleaning nozzle at least 11.9 in. (30 cm) away from the vehicle
body. Otherwise resin section, such as moldings and bumpers, may be
deformed and damaged. Also, do not continuously hold the nozzle in the
same place.
● Do not spray the lower part of the windshield continuously. If water enters
the air conditioning system intake located near the lower part of the wind-
shield, the air conditioning system may not operate correctly.
● Do not wash the underside of the vehicle using a high pressure car
washer.
6-1. Maintenance and care
411
Cleaning and protecting the vehicle
interior
The following procedures will help protect your vehicle’s interior
and keep it in top condition:
Protecting the vehicle interior
● Remove dirt and dust using a vacuum cleaner. Wipe dirty surfaces
with a cloth dampened with lukewarm water.
● If dirt cannot be removed, wipe it off with a soft cloth dampened with
neutral detergent diluted to approximately 1%.
Wring out any excess water from the cloth and thoroughly wipe off
remaining traces of detergent and water.
Cleaning the areas with satin-finish metal accents
● Remove dirt using a soft cloth or synthetic chamois dampened in a
baking soda (sodium bicarbonate) solution.
Use a solution of approximately 9% baking soda dissolved in water.
● Wipe the surface with a dry, soft cloth to remove any remaining
6
moisture.
Cleaning the leather areas
● Remove dirt and dust using a vacuum cleaner.
● Wipe off any excess dirt and dust with a soft cloth dampened with
diluted detergent.
Use a diluted water solution of approximately 5% neutral wool detergent.
● Wring out any excess water from the cloth and thoroughly wipe off
all remaining traces of detergent.
● Wipe the surface with a dry, soft cloth to remove any remaining
moisture. Allow the leather to dry in a shaded and ventilated area.
Cleaning the synthetic leather areas
● Remove dirt and dust using a vacuum cleaner.
● Wipe it off with a soft cloth dampened with neutral detergent diluted
to approximately 1%.
● Wring out any excess water from the cloth and thoroughly wipe off
remaining traces of detergent and water.
412
6-1. Maintenance and care
■ Caring for leather areas
Toyota recommends cleaning the interior of the vehicle at least twice a year to
maintain the quality of the vehicle's interior.
■Shampooing the carpets
There are several commercial foaming-type cleaners available. Use a sponge
or brush to apply the foam. Rub in overlapping circles. Do not use water.
Wipe dirty surfaces and let them dry. Excellent results are obtained by keep-
ing the carpet as dry as possible.
■ Seat belts
Clean with mild soap and lukewarm water using a cloth or sponge. Also
check the belts periodically for excessive wear, fraying or cuts.
WARNING
■ Water in the vehicle
● Do not splash or spill liquid in the vehicle, such as on the floor, in the
hybrid battery (traction battery) air vent, and in the trunk.
Doing so may cause the hybrid battery, electrical components, etc. to mal-
function or catch fire.
● Do not get any of the SRS components or wiring in the vehicle interior wet.
(P. 36)
An electrical malfunction may cause the airbags to deploy or not function
properly, resulting in death or serious injury.
● Vehicles with wireless charger:
Do not let the wireless charger (P. 388) get wet. Failure to do so may
cause the charger to become hot and cause burns or could cause electric
shock resulting in death or serious injury.
■Cleaning the interior (especially instrument panel)
Do not use polish wax or polish cleaner. The instrument panel may reflect
off the windshield, obstructing the driver’s view and leading to an accident,
resulting in death or serious injury.
6-1. Maintenance and care
413
NOTICE
■ Cleaning detergents
● Do not use the following types of detergent, as they may discolor the vehi-
cle interior or cause streaks or damage to painted surfaces:
• Areas other than the seats and steering wheel: Organic substances
such as benzene or gasoline, alkaline or acidic solutions, dye, and
bleach
• Seats: Alkaline or acidic solutions, such as thinner, benzene, and alco-
hol
• Steering wheel: Organic substances, such as thinner, and cleaner that
contains alcohol
● Do not use polish wax or polish cleaner. The instrument panel’s or other
interior part’s painted surface may be damaged.
■ Preventing damage to leather surfaces
Observe the following precautions to avoid damage to and deterioration of
leather surfaces:
● Remove any dust or dirt from leather surfaces immediately.
● Do not expose the vehicle to direct sunlight for extended periods of time.
Park the vehicle in the shade, especially during summer.
● Do not place items made of vinyl, plastic, or containing wax on the uphol-
stery, as they may stick to the leather surface if the vehicle interior heats
up significantly.
6
■ Water on the floor
Do not wash the vehicle floor with water.
Vehicle systems such as the audio system may be damaged if water comes
into contact with electrical components such as the audio system above or
under the floor of the vehicle. Water may also cause the body to rust.
■ When cleaning the inside of the windshield
Do not allow glass cleaner to contact the lens. Also, do not touch the lens.
(P. 240)
■ Cleaning the inside of the rear window
● Do not use glass cleaner to clean the rear window, as this may cause
damage to the rear window defogger heater wires or antenna. Use a cloth
dampened with lukewarm water to gently wipe the window clean. Wipe the
window in strokes running parallel to the heater wires or antenna.
● Be careful not to scratch or damage the heater wires or antenna.
414
6-2. Maintenance
Maintenance requirements
To ensure safe and economical driving, day-to-day care and reg-
ular maintenance are essential. It is the owner’s responsibility to
perform regular checks. Toyota recommends the following main-
tenance:
General maintenance
General maintenance should be performed on a daily basis. This can
be done by yourself or by a Toyota dealer.
Scheduled maintenance
Scheduled maintenance should be performed at specified intervals
according to the maintenance schedule.
For details about maintenance items and schedules, refer to the “Sched-
uled Maintenance Guide” or “Owner’s Manual Supplement”.
Do-it-yourself maintenance
You can perform some maintenance procedures by yourself.
Please be aware that do-it-yourself maintenance may affect warranty
coverage.
The use of Toyota Repair Manuals is recommended.
For details about warranty coverage, refer to the separate “Owner’s War-
ranty Information Booklet” or “Owner’s Manual Supplement”.
6-2. Maintenance
415
■ Repair and replacement
It is recommended that genuine Toyota parts be used for repairs to ensure
performance of each system. If non-Toyota parts are used in replacement or if
a repair shop other than a Toyota dealer performs repairs, confirm the war-
ranty coverage.
■ Resetting the message indicating maintenance is required
After the required maintenance is performed according to the maintenance
schedule, please reset the message.
To reset the message, perform the following procedure:
1
Select
on the multi-information display using the meter control switches
on the steering wheel. (P. 111)
2
Select
and then press and hold
3
Select “Scheduled Maintenance” and then press
4
Select “Yes” and then press
5
A message will be displayed on the multi-information display when the
reset procedure has been completed.
■ Allow inspection and repairs to be performed by a Toyota dealer
● Toyota technicians are well-trained specialists and are kept up to date with
the latest service information. They are well informed about the operations
of all systems on your vehicle.
● Keep a copy of the repair order. It proves that the maintenance that has
6
been performed is under warranty coverage. If any problem should arise
while your vehicle is under warranty, your Toyota dealer will promptly take
care of it.
WARNING
■ If your vehicle is not properly maintained
Improper maintenance could result in serious damage to the vehicle and
possible death or serious injury.
■ Important health and safety information
● Engine exhaust, some of its constituents, and a wide variety of automobile
components contain or emit chemicals known to the State of California to
cause cancer and birth defects and other reproductive harm. Work in a
well ventilated area.
● Oils, fuels and fluids contained in vehicles as well as waste produced by
component wear contain or emit chemicals known to the State of
California to cause cancer and birth defects or other reproductive harm.
Avoid exposure and wash any affected area immediately.
● 12-volt battery posts, terminals and related accessories contain lead and
lead compounds which are known to cause brain damage. Wash your
hands after handling. (P. 433)
416
6-2. Maintenance
General maintenance
Listed below are the general maintenance items that should be
performed at the intervals specified in the “Owner’s Warranty
Information Booklet” or “Owner’s Manual Supplement/Sched-
uled Maintenance Guide”. It is recommended that any problem
you notice should be brought to the attention of your Toyota
dealer or qualified service shop for advice.
Engine compartment
Items
Check points
Is the brake fluid at the correct
Brake fluid
level?
(P. 431)
Is the coolant at the correct level?
Coolant
(P. 429)
Is the engine oil at the correct level?
Engine oil
(P. 426)
There should not be any fumes or
Exhaust system
strange sounds.
The radiator and condenser should
Radiator/condenser
be free from foreign objects.
(P. 430)
Is there sufficient washer fluid?
Washer fluid
(P. 432)
Trunk
Items
Check points
12-volt battery
Check the connections.
(P. 433)
6-2. Maintenance
417
Vehicle interior
Items
Check points
•
The accelerator pedal should
Accelerator pedal
move smoothly (without uneven
pedal effort or catching).
•
When parked on a slope and the
Hybrid transmission “Park” mecha-
shift lever is in P, is the vehicle
nism
securely stopped?
•
Does the brake pedal move
smoothly?
•
Does the brake pedal have appro-
priate clearance from the floor?
Brake pedal
(P. 529)
•
Does the brake pedal have the
correct amount of free play?
(P. 529)
•
The vehicle should not pull to one
side when the brakes are applied.
•
The brakes should work effec-
tively.
Brakes
•
The brake pedal should not feel
spongy.
6
•
The brake pedal should not get
too close to the floor when the
brakes are applied.
•
Do the head restraints move
Head restraints (adjustable type)
smoothly and lock securely?
•
Do the indicators and buzzers
Indicators/buzzers
function properly?
Lights
•
Do all the lights come on?
•
Does the parking brake operate
normally?
Parking brake
•
When parked on a slope and the
parking brake is on, is the vehicle
securely stopped?
418
6-2. Maintenance
Items
Check points
•
Do the seat belts operate
smoothly?
Seat belts
•
The seat belts should not be dam-
aged.
•
Do the seat controls operate prop-
Seats
erly?
•
Does the steering wheel rotate
smoothly?
•
Does the steering wheel have the
Steering wheel
correct amount of free play?
•
There should not be any strange
sounds coming from the steering
wheel.
Vehicle exterior
Items
Check points
•
Do the doors/trunk operate
Doors/trunk
smoothly?
•
Does the engine hood lock system
Engine hood
work properly?
•
There should not be any signs of
Fluid leaks
fluid leakage after the vehicle has
been parked.
•
Is the tire inflation pressure cor-
rect?
•
The tires should not be dam-
aged or excessively worn.
Tires
•
Have the tires been rotated
according to the maintenance
schedule?
•
The wheel nuts should not be
loose.
•
The wiper blades should not show
any signs of cracking, splitting,
wear, contamination or deforma-
Windshield wipers
tion.
•
The wiper blades should clear the
windshield without streaking or
skipping.
6-2. Maintenance
419
WARNING
■ If the hybrid system is operating
Turn the hybrid system off and ensure that there is adequate ventilation
before performing maintenance checks.
6
420
6-2. Maintenance
Emission inspection and maintenance (I/M)
programs
Some states have vehicle emission inspection programs which
include OBD (On Board Diagnostics) checks. The OBD system
monitors the operation of the emission control system.
If the malfunction indicator lamp comes on
The OBD system determines that a problem exists somewhere in the
emission control system. Your vehicle may not pass the I/M test and
may need to be repaired. Contact your Toyota dealer to service the
vehicle.
Your vehicle may not pass the I/M test in the following situations:
● When the 12-volt battery is disconnected or discharged
Readiness codes that are set during ordinary driving are erased.
Also, depending on your driving habits, the readiness codes may
not be completely set.
● When the fuel tank cap is loose
The malfunction indicator lamp comes on indicating a temporary
malfunction and your vehicle may not pass the I/M test.
When the malfunction indicator lamp still remains on after sev-
eral driving trips
The error code in the OBD system will not be cleared unless the vehi-
cle is driven 40 or more times.
If your vehicle does not pass the I/M test
Contact your Toyota dealer to prepare the vehicle for re-testing.
6-3. Do-it-yourself maintenance
421
Do-it-yourself service precautions
If you perform maintenance by yourself, be sure to follow the
correct procedure as given in these sections.
Items
Parts and tools
12-volt
battery
•
Grease
condition
•
Conventional wrench (for terminal clamp bolts)
(P. 433)
•
SAE J1703 or FMVSS No.116 DOT 3
Brake fluid level
SAE J1704 or FMVSS No.116 DOT 4
(P. 431)
•
Rag or paper towel
•
Funnel (used only for adding brake fluid)
•
“Toyota Super Long Life Coolant” or a similar high
quality ethylene glycol-based non-silicate, non-
Engine/power
amine, non-nitrite and non-borate coolant with long-
control unit cool-
life hybrid organic acid technology
ant level
“Toyota Super Long Life Coolant” is pre-mixed with
(P. 429)
50% coolant and 50% deionized water.
•
Funnel (used only for adding coolant)
•
“Toyota Genuine Motor Oil” or equivalent
Engine oil level
6
•
Rag or paper towel
(P. 426)
•
Funnel (used only for adding engine oil)
Fuses (P. 464)
•
Fuse with same amperage rating as original
Hybrid
battery
(traction battery)
•
Vacuum cleaner, etc.
air intake vent
•
Phillips screwdriver
(P. 456)
Radiator/con-
denser (P. 430)
422
6-3. Do-it-yourself maintenance
Items
Parts and tools
Tire
inflation
• Tire pressure gauge
pressure
• Compressed air source
(P. 449)
• Water or washer fluid containing antifreeze (for win-
Washer fluid
ter use)
(P. 432)
• Funnel (used only for adding water or washer fluid)
WARNING
The engine compartment contains many mechanisms and fluids that may
move suddenly, become hot, or become electrically energized. To avoid death
or serious injury, observe the following precautions.
■When working on the engine compartment
● Make sure that the “ACCESSORY” or “IGNITION ON” on the multi-infor-
mation display and the “READY” indicator are both off.
● Keep hands, clothing and tools away from the moving fan and engine
drive belt.
● Be careful not to touch the engine, power control unit, radiator, exhaust
manifold, etc. right after driving as they may be hot. Oil and other fluids
may also be hot.
● Do not leave anything that may burn easily, such as paper and rags, in the
engine compartment.
● Do not smoke, cause sparks or expose an open flame to fuel. Fuel fumes
are flammable.
■ When working near the electric cooling fan or radiator grille
Be sure the power switch is off.
With the power switch in ON mode, the electric cooling fan may automati-
cally start to run if the air conditioning is on and/or the coolant temperature
is high. (P. 430)
■ Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc.
from getting in your eyes.
NOTICE
■ If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear
due to dirt in the air.
6-3. Do-it-yourself maintenance
423
Hood
Release the lock from the inside of the vehicle to open the hood.
1
Pull the hood lock release lever.
The hood will pop up slightly.
2
Pull up the auxiliary catch lever
and lift the hood.
6
■ Open hood warning buzzer
If the vehicle reaches a speed of 3 mph (5 km/h), the master warning light
flashes and a buzzer sounds to indicate that the hood is not fully closed.
WARNING
■Pre-driving check
Check that the hood is fully closed and locked.
If the hood is not locked properly, it may open while the vehicle is in motion
and cause an accident, which may result in death or serious injury.
424
6-3. Do-it-yourself maintenance
Positioning a floor jack
When using a floor jack, follow the instructions in the manual
provided with the jack and perform the operation safely.
When raising your vehicle with a floor jack, position the jack cor-
rectly. Improper placement may damage your vehicle or cause
injury.
◆ Front
◆ Rear
6-3. Do-it-yourself maintenance
425
Engine compartment
1
Fuse boxes
(P. 464)
6
Electric cooling fan
2
Engine oil filler cap (P. 427)
7
Condenser
(P. 430)
6
3
Engine oil level dipstick
8
Power control unit
(P. 426)
coolant reservoir
(P. 429)
4
Brake fluid reservoir
9
Engine coolant reservoir
(P. 431)
(P. 429)
5
Radiator
(P. 430)
10
Washer fluid tank
(P. 432)
426
6-3. Do-it-yourself maintenance
Engine oil
With the engine at operating temperature and turned off, check the oil
level on the dipstick.
■ Checking the engine oil
Park the vehicle on level ground. After warming up the engine
1
and turning it off the hybrid system, wait more than 5 minutes for
the oil to drain back into the bottom of the engine.
2
Holding a rag under the end,
pull the dipstick out.
3
Wipe the dipstick clean.
4
Reinsert the dipstick fully.
5
Holding a rag under the end, pull the dipstick out and check the
oil level.
1
Low
2
Normal
3
Excessive
The shape of the dipstick may
differ depending on the type of
vehicle or engine.
Wipe the dipstick and reinsert it fully.
6
6-3. Do-it-yourself maintenance
427
■ Adding engine oil
If the oil level is below or near
the low level mark, add engine
oil of the same type as that
already in the engine.
Make sure to check the oil type and prepare the items needed
before adding oil.
Engine oil selection
P. 527
Oil quantity
1.6 qt. (1.5 L, 1.3 Imp. qt.)
(Low Full)
Items
Clean funnel
1
Remove the oil filler cap by turning it counterclockwise.
2
Add engine oil slowly, checking the dipstick.
3
Install the oil filler cap by turning it clockwise.
6
■ Engine oil consumption
A certain amount of engine oil will be consumed while driving. In the following
situations, oil consumption may increase, and engine oil may need to be
refilled in between oil maintenance intervals.
● When the engine is new, for example directly after purchasing the vehicle or
after replacing the engine
● If low quality oil or oil of an inappropriate viscosity is used
● When driving at high engine speeds or with a heavy load, or when driving
while accelerating or decelerating frequently
● When leaving the engine idling for a long time, or when driving frequently
through heavy traffic
428
6-3. Do-it-yourself maintenance
WARNING
■ Used engine oil
● Used engine oil contains potentially harmful contaminants which may
cause skin disorders such as inflammation and skin cancer, so care
should be taken to avoid prolonged and repeated contact. To remove used
engine oil from your skin, wash thoroughly with soap and water.
● Dispose of used oil and filters only in a safe and acceptable manner. Do
not dispose of used oil and filters in household trash, in sewers or onto the
ground.
Call your Toyota dealer, service station or auto parts store for information
concerning recycling or disposal.
● Do not leave used engine oil within the reach of children.
NOTICE
■ To prevent serious engine damage
Check the oil level on a regular basis.
■ When replacing the engine oil
● Be careful not to spill engine oil on the vehicle components.
● Avoid overfilling, or the engine could be damaged.
● Check the oil level on the dipstick every time you refill the vehicle.
● Be sure the engine oil filler cap is properly tightened.
■ If oil is spilled on the engine cover
To prevent the engine cover from being damaged, remove any engine oil
from the engine cover as soon as possible using a neutral detergent.
Do not use an organic solvent such as brake cleaner.
6-3. Do-it-yourself maintenance
429
Coolant
Engine coolant reservoir
The coolant level is satisfactory if it is between the “F” and “L” lines on
the reservoir when the hybrid system is cold.
1
Reservoir cap
2
“F” line
3
“L” line
If the level is on or below the “L”
line, add coolant up to the “F” line.
(P. 517)
Power control unit coolant reservoir
The coolant level is satisfactory if it is between the “FULL” and “LOW”
lines on the reservoir when the hybrid system is cold.
1
Reservoir cap
2
“FULL” line
3
“LOW” line
If the level is on or below the
6
“LOW” line, add coolant up to the
“FULL” line. (P. 517)
■ Coolant selection
Only use “Toyota Super Long Life Coolant” or a similar high quality ethylene
glycol based non-silicate, non-amine, non-nitrite, and non-borate coolant with
long-life hybrid organic acid technology.
“Toyota Super Long Life Coolant” is a mixture of 50% coolant and 50% deion-
ized water. (Minimum temperature: -31F [-35C])
430
6-3. Do-it-yourself maintenance
■ If the coolant level drops within a short time of replenishing
Visually check the radiators, hoses, engine/power control unit coolant reser-
voir caps, drain cock and water pump.
If you cannot find a leak, have your Toyota dealer test the cap and check for
leaks in the cooling system.
WARNING
■ When the hybrid system is hot
Do not remove the engine/power control unit coolant reservoir caps or the
radiator cap.
The cooling system may be under pressure and may spray hot coolant if the
cap is removed, causing serious injuries, such as burns.
NOTICE
■When adding coolant
Coolant is neither plain water nor straight antifreeze. The correct mixture of
water and antifreeze must be used to provide proper lubrication, corrosion
protection and cooling. Be sure to read the antifreeze or coolant label.
■ If you spill coolant
Be sure to wash it off with water to prevent it from damaging parts or paint.
Radiator and condenser
Check the radiator and condenser and clear away any foreign objects.
If either of the above parts is extremely dirty or you are not sure of
their condition, have your vehicle inspected by your Toyota dealer.
WARNING
■ When the hybrid system is hot
Do not touch the radiator or condenser as they may be hot and cause seri-
ous injuries, such as burns.
6-3. Do-it-yourself maintenance
431
Brake fluid
■ Checking fluid level
The brake fluid level should be
between the “MAX” and “MIN”
lines on the tank.
1
“MAX”
2
“MIN”
■ Adding fluid
Make sure to check the fluid type and prepare the necessary item.
SAE J1703 or FMVSS No.116 DOT 3 brake fluid
Fluid type
SAE J1704 or FMVSS No.116 DOT 4 brake fluid
Item
Clean funnel
■ Brake fluid can absorb moisture from the air
Excess moisture in the brake fluid can cause a dangerous loss of braking effi-
ciency. Use only newly opened brake fluid.
6
WARNING
■ When filling the reservoir
Take care as brake fluid can harm your hands and eyes and damage
painted surfaces.
If fluid gets on your hands or in your eyes, flush the affected area with clean
water immediately.
If you still experience discomfort, see a doctor.
NOTICE
■ If the fluid level is low or high
It is normal for the brake fluid level to go down slightly as the brake pads
wear out or when the fluid level in the accumulator is high.
If the reservoir needs frequent refilling, there may be a serious problem.
432
6-3. Do-it-yourself maintenance
Washer fluid
Add washer fluid in the following
situations:
● A washer does not work.
● “Windshield Washer Fluid Low”
is displayed on the multi-infor-
mation display.
WARNING
■ When adding washer fluid
Do not add washer fluid when the hybrid system is hot or operating as
washer fluid contains alcohol and may catch fire if spilled on the engine, etc.
NOTICE
■ Do not use any fluid other than washer fluid
Do not use soapy water or engine antifreeze instead of washer fluid.
Doing so may cause streaking on the vehicle's painted surfaces, as well as
damaging the pump leading to problems of the washer fluid not spraying.
■Diluting washer fluid
Dilute washer fluid with water as necessary.
Refer to the freezing temperatures listed on the label of the washer fluid bot-
tle.
6-3. Do-it-yourself maintenance
433
12-volt battery
Location
The 12-volt battery is located on
the right-hand side of the trunk.
Removing the 12-volt battery cover
Remove the 12-volt battery cover.
6
434
6-3. Do-it-yourself maintenance
Exterior
Make sure that the 12-volt battery terminals are not corroded and that
there are no loose connections, cracks, or loose clamps.
1
Terminals
2
Hold-down clamp
■ Before recharging
When recharging, the 12-volt battery produces hydrogen gas which is flam-
mable and explosive. Therefore, observe the following precautions before
recharging:
● If recharging with the 12-volt battery installed on the vehicle, be sure to dis-
connect the ground cable.
● Make sure the power switch on the charger is off when connecting and dis-
connecting the charger cables to the 12-volt battery.
■ After recharging/reconnecting the 12-volt battery
● Unlocking the doors using the smart key system may not be possible imme-
diately after reconnecting the 12-volt battery. If this happens, use the wire-
less remote control or the mechanical key to lock/unlock the doors.
● Start the hybrid system with the power switch in ACCESSORY mode. The
hybrid system may not start with the power switch turned off. However, the
hybrid system will operate normally from the second attempt.
● The power switch mode is recorded by the vehicle. If the 12-volt battery is
reconnected, the vehicle will return the power switch mode to the status it
was in before the 12-volt battery was disconnected. Make sure to turn off
the power before disconnecting the 12-volt battery. Take extra care when
connecting the 12-volt battery if the power switch mode prior to discharge is
unknown.
If the system will not start even after multiple attempts, contact your Toyota
dealer.
6-3. Do-it-yourself maintenance
435
WARNING
■Chemicals in the 12-volt battery
The 12-volt battery contains poisonous and corrosive sulfuric acid and may
produce hydrogen gas which is flammable and explosive. To reduce the risk
of death or serious injury, take the following precautions while working on or
near the 12-volt battery:
● Do not cause sparks by touching the 12-volt battery terminals with tools.
● Do not smoke or light a match near the 12-volt battery.
● Avoid contact with eyes, skin and clothes.
● Never inhale or swallow electrolyte.
● Wear protective safety glasses when working near the 12-volt battery.
● Keep children away from the 12-volt battery.
■ Where to safely charge the 12-volt battery
Always charge the 12-volt battery in an open area. Do not charge the 12-
volt battery in a garage or closed room where there is insufficient ventila-
tion.
■ How to recharge the 12-volt battery
Only perform a slow charge (5 A or less). The 12-volt battery may explode if
charged at a quicker rate.
■ Emergency measures regarding electrolyte
● If electrolyte gets in your eyes
6
Flush your eyes with clean water for at least 15 minutes and get immedi-
ate medical attention. If possible, continue to apply water with a sponge or
cloth while traveling to the nearest medical facility.
● If electrolyte gets on your skin
Wash the affected area thoroughly. If you feel pain or burning, get medical
attention immediately.
● If electrolyte gets on your clothes
It can soak through clothing on to your skin. Immediately take off the cloth-
ing and follow the procedure above if necessary.
● If you accidentally swallow electrolyte
Drink a large quantity of water or milk. Get emergency medical attention
immediately.
■ When disconnecting the 12-volt battery
Do not disconnect the negative (-) terminal on the body side. The discon-
nected negative (-) terminal may touch the positive (+) terminal, which may
cause a short and result in death or serious injury.
■ When replacing the 12-volt battery
Use a 12-volt battery designed for this vehicle. Failure to do so may cause
gas (hydrogen) to enter the passenger compartment, causing a fire or
explosion.
For replacement of the 12-volt battery, contact your Toyota dealer.
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