Lexus RC-F (2022 year). Manual in english — page 17
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Use only Lexus wheel nuts and
wrenches designed for use with
your aluminum wheels.
When rotating, repairing or chang-
ing your tires, check that the wheel
nuts are still tight after driving 1600
km (1000 miles).
Be careful not to damage the alumi-
num wheels when using tire chains.
Use only Lexus genuine balance
weights or equivalent and a plastic
or rubber hammer when balancing
your wheels.
WARNING
■
When replacing wheels
●
Do not use wheels that are a different
size from those recommended in the
loss of handling control.
●
Never use an inner tube in a leaking
wheel which is designed for a tubeless
tire. Doing so may result in an acci-
dent, causing death or serious injury.
NOTICE
■
Replacing tire pressure warning
valves and transmitters
●
Because tire repair or replacement
may affect the tire pressure warning
valves and transmitters, make sure to
have tires serviced by any authorized
Lexus retailer or Lexus authorized
repairer, or any reliable repairer or
other qualified service shop. In addi-
tion, make sure to purchase your tire
pressure warning valves and transmit-
ters at any authorized Lexus retailer or
Lexus authorized repairer, or any relia-
ble repairer.
●
Ensure that only genuine Lexus wheels
are used on your vehicle.
Tire pressure warning valves and trans-
mitters may not work properly with
non-genuine wheels.
Aluminum wheel precautions
288
6-4. Do-it-yourself maintenance
1
Turn the engine switch off.
2
Open the glove box. Lift up the side
with the stay, disconnect the stay
tabs and remove the partition by
pulling horizontally.
3
Press the tabs and remove the filter
cover.
4
Press the tabs and remove the filter
case.
5
Remove the air conditioning filter
from the filter case and replace it
with a new one.
The “
UP” marks shown on the filter
and the filter case should be pointing up.
■
Checking interval
Inspect and replace the air conditioning fil-
ter according to the maintenance schedule.
In dusty areas or areas with heavy traffic
flow, early replacement may be required.
(For scheduled maintenance information,
please refer to the “Lexus Service Booklet”
or “Lexus Warranty Booklet”.)
■
If air flow from the vents decreases dra-
matically
The filter may be clogged. Check the filter
and replace if necessary.
■
Air conditioning filter with deodorizing
function
When fragrances are placed in your vehi-
cle, the deodorizing effect may become
Air conditioning filter
The air conditioning filter must be
changed regularly to maintain air
conditioning efficiency.
Removing the air conditioning
filter
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6-4. Do-it-yourself maintenance
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significantly weakened in a short period.
When an air conditioning odor comes out
continuously, replace the air conditioning
filter.
■
If the electronic key battery is depleted
The following symptoms may occur:
●
The smart entry & start system and wire-
less remote control will not function
properly.
●
The operational range will be reduced.
■
When the card key battery needs to be
replaced (if equipped)
The battery for the card key is available only
at Lexus dealers. Your Lexus dealer can
replace the battery for you.
Flathead screwdriver
Small flathead screwdriver
Lithium battery CR2032
■
Use a CR2032 lithium battery
●
Batteries can be purchased at any
authorized Lexus retailer or Lexus
authorized repairer, or any reliable
repairer, local electrical appliance shops
or camera stores.
●
Replace only with the same or equivalent
type recommended by the manufacturer.
●
Dispose of used batteries according to
local laws.
NOTICE
■
When using the air conditioning sys-
tem
Make sure that a filter is always installed.
Using the air conditioning system without
a filter may cause damage to the system.
Electronic key battery
Replace the battery with a new one
if it is depleted.
As the key may be damaged if the
following procedure is not per-
formed properly, it is recom-
mended that key battery
replacement be performed by any
authorized Lexus retailer or Lexus
authorized repairer, or any reliable
repairer.
Items to prepare
290
6-4. Do-it-yourself maintenance
1
Take out the mechanical key.
2
Remove the cover.
To prevent damage to the key, wrap the tip
of the screwdriver with tape.
3
Remove the battery cover.
To prevent damage to the key, wrap the tip
of the screwdriver with tape.
4
Remove the depleted battery.
Insert a new battery with the “+” terminal
facing up.
■
Certification for the key battery
●
Replace only with the same or equivalent
type recommended by the manufacturer.
●
Dispose of used batteries according to
the local laws.
Replacing the battery
WARNING
■
Battery precautions
Observe the following precautions.
Failure to do so may result in death or
serious injury.
●
Do not swallow the battery. Doing so
may cause chemical burns.
●
A coin battery or button battery is
used in the electronic key. If a battery is
swallowed, it may cause severe chemi-
cal burns in as little as 2 hours and may
result in death or serious injury.
●
Keep away new and removed batteries
from children.
●
If the cover cannot be firmly closed,
stop using the electronic key and stow
the key in the place where children
cannot reach, and then contact your
Lexus dealer.
●
If you accidentally swallow a battery or
put a battery into a part of your body,
get emergency medical attention
immediately.
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1
Turn the engine switch off.
2
Open the fuse box cover.
Engine compartment: type A fuse
box (Left-hand drive vehicles)
Push the tab in and lift the lid off.
Engine compartment: type A fuse
box (Right-hand drive vehicles)
Push the tab in and lift the lid off.
WARNING
■
To prevent battery explosion or leak-
age of flammable liquid or gas
●
Replace the battery with a new battery
of the same type. If a wrong type of
battery is used, it may explode.
●
Do not expose batteries to extremely
low pressure due to high altitude or
extremely high temperatures.
●
Do not burn, break or cut a battery.
NOTICE
■
When replacing the battery
Use a flathead screwdriver of appropri-
ate size. Applying excessive force may
deform or damage the cover.
■
For normal operation after replacing
the battery
Observe the following precautions to
prevent accidents:
●
Always work with dry hands. Moisture
may cause the battery to rust.
●
Do not touch or move any other com-
ponent inside the remote control.
●
Do not bend either of the battery ter-
minals.
Checking and replacing
fuses
If any of the electrical components
do not operate, a fuse may have
blown. If this happens, check and
replace the fuses as necessary.
Checking and replacing fuses
292
6-4. Do-it-yourself maintenance
Engine compartment: type B fuse
box
Push the tab in and lift the lid off.
Left side instrument panel
(Left-hand drive vehicles)
Remove the lid.
Left side instrument panel
(Right-hand drive vehicles)
Remove the lid.
3
Remove the fuse with the pullout
tool.
Only type A fuses can be removed using
the pullout tool.
4
Check if the fuse is blown.
Type A and B:
Replace the blown fuse with a new fuse of
an appropriate amperage rating. The
amperage rating can be found on the fuse
box lid.
Type C and D:
Contact any authorized Lexus retailer or
Lexus authorized repairer, or any reliable
repairer.
Type A
Normal fuse
Blown fuse
A
B
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Type B
Normal fuse
Blown fuse
Type C
Normal fuse
Blown fuse
Type D
Normal fuse
Blown fuse
■
After a fuse is replaced
●
When installing the lid, make sure that the
tab is installed securely.
●
If the lights do not turn on even after the
fuse has been replaced, a bulb may need
replacement.
●
If the replaced fuse blows again, have the
vehicle inspected by any authorized
Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
■
If there is an overload in a circuit
The fuses are designed to blow, protecting
the wiring harness from damage.
■
When replacing light bulbs
Lexus recommends that you use genuine
Lexus products designed for this vehicle.
Because certain bulbs are connected to cir-
cuits designed to prevent overload,
non-genuine parts or parts not designed for
this vehicle may be unusable.
A
B
A
B
A
B
WARNING
■
To prevent system breakdowns and
vehicle fire
Observe the following precautions.
Failure to do so may cause damage to
the vehicle, and possibly a fire or injury.
●
Never use a fuse of a higher amperage
rating than that indicated, or use any
other object in place of a fuse.
●
Always use a genuine Lexus fuse or
equivalent.
Never replace a fuse with a wire, even
as a temporary fix.
●
Do not modify the fuses or fuse boxes.
294
6-4. Do-it-yourself maintenance
■
LED light bulbs
The lights consist of a number of LEDs. If
any of the LEDs burn out, take your vehicle
to any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer
to have the light replaced.
■
Condensation build-up on the inside of
the lens
Temporary condensation build-up on the
inside of the headlight lens does not indi-
cate a malfunction. Contact any authorized
Lexus retailer or Lexus authorized repairer,
or any reliable repairer for more informa-
tion in the following situations:
●
Large drops of water have built up on the
inside of the lens.
●
Water has built up inside the headlight.
NOTICE
■
Before replacing fuses
Have the cause of electrical overload
determined and repaired by any author-
ized Lexus retailer or Lexus authorized
repairer, or any reliable repairer as soon
as possible.
Light bulbs
If any lights burn out, have it
replaced by any authorized Lexus
retailer or Lexus authorized
repairer, or any reliable repairer.
7
295
7
When trouble
ar
ises
When trouble arises
.
7-1. Essential information
Emergency flashers . . . . .
296
If your vehicle has to be stopped in
an emergency. . . . . . ..
296
If the vehicle is submerged or
water on the road is rising ..
297
7-2. Steps to take in an emergency
If your vehicle needs to be towed
. . . . . . . . . . . . . .
299
If you think something is wrong
. . . . . . . . . . . . . .
302
Fuel pump shut off system . .
303
If a warning light turns on or a
warning buzzer sounds . ...
304
If a warning message is displayed
. . . . . . . . . . . . . . ..
311
If you have a flat tire (vehicles with
an emergency tire puncture
repair kit) . . . . . . . . .
314
If you have a flat tire (vehicles with
a spare tire). . . . . . . ...
326
If the engine will not start . ...
333
If you lose your keys. . . . .
334
If the fuel filler door cannot be
opened . . . . . . . . . ...
335
If the electronic key does not
operate properly . . . . .
335
If the vehicle battery is discharged
. . . . . . . . . . . . . .
338
If your vehicle overheats. . .
341
If the vehicle becomes stuck
. . . . . . . . . . . . . .
343
296
7-1. Essential information
7-1.Essential information
Press the switch to flash all of the turn
signal lights.
To turn them off, press the switch once
again.
■
Emergency flashers
If the emergency flashers are used for a
long time while the engine is not operating,
the battery may discharge.
1
Steadily step on the brake pedal
with both feet and firmly depress it.
Do not pump the brake pedal repeatedly
as this will increase the effort required to
slow the vehicle.
2
Shift the shift lever to N.
If the shift lever is shifted to N
3
After slowing down, stop the vehi-
cle in a safe place by the road.
4
Stop the engine.
If the shift lever cannot be shifted to
N
3
Keep depressing the brake pedal
with both feet to reduce vehicle
speed as much as possible.
4
To stop the engine, press and hold
the engine switch for 2 consecutive
Emergency flashers
The emergency flashers are used to
warn other drivers when the vehicle
has to be stopped on the road due
to a breakdown, etc.
Operating instructions
If your vehicle has to be
stopped in an emergency
Only in an emergency, such as if it
becomes impossible to stop the
vehicle in the normal way, stop the
vehicle using the following proce-
dure:
Stopping the vehicle
297
7
7-1. Essential information
When trouble
ar
ises
seconds or more, or press it briefly
3 times or more in succession.
5
Stop the vehicle in a safe place by
the road.
If the door can be opened, open the
door and exit the vehicle.
If the door cannot be opened, open
the window using the power window
switch and ensure an escape route.
If the window can be opened, exit
the vehicle through the window.
If the door and window cannot be
opened due to the rising water,
remain calm, wait until the water
level inside the vehicle rises to the
point that the water pressure inside
of the vehicle equals the water pres-
sure outside of the vehicle and then
open the door after waiting for the
rising water to enter the vehicle, and
exit the vehicle. When the outside
water level exceeds half the height
of the door, the door cannot be
opened from the inside due to water
pressure.
■
Water level exceeds the floor
When the water level exceeds the floor and
WARNING
■
If the engine has to be turned off while
driving
Power assist for the brakes and steering
wheel will be lost, making the brake
pedal harder to depress and the steering
wheel heavier to turn. Decelerate as
much as possible before turning off the
engine.
If the vehicle is submerged
or water on the road is rising
This vehicle is not designed to be
able to drive on roads that are
deeply flooded with water. Do not
drive on roads where the roads may
be submerged or the water may be
rising. It is dangerous to remain in
the vehicle, if it anticipated that the
vehicle will be flooded or set a drift.
Remain calm and follow the follow-
ing.
298
7-1. Essential information
time has passed, the electrical equipment
will get damaged, the power windows will
not operate, the engine stop, and the vehi-
cle may not be able to get moving.
■
Using an emergency escape hammer
*
Laminated glass is used in the windshield on
this vehicle.
Laminated glass cannot be shattered with
an emergency hammer
*
.
Tempered glass is used in the windows on
this vehicle.
*
: Contact your Lexus dealer or
aftermarket accessory manufacturer for
further information about an emergency
hammer.
WARNING
■
Caution while driving
Do not drive on roads where the roads
may be submerged or the water may be
rising. Otherwise the vehicle may be
damaged and cannot move, as well as
become flooded and set a drift, which
may lead to death.
299
7
7-2. Steps to take in an emergency
When trouble
ar
ises
7-2.Steps to take in an emergency
If your vehicle needs to be
towed
If towing is necessary, we recom-
mend having your vehicle towed by
any authorized Lexus retailer or
Lexus authorized repairer, or any
reliable repairer or commercial
towing service, using a wheel-lift
type truck or flatbed truck.
Use a safety chain system for all
towing, and abide by all state/pro-
vincial and local laws.
WARNING
Observe the following precautions.
Failure to do so may result in death or
serious injury.
■
When towing the vehicle
Be sure to transport the vehicle with all
four wheels raised off the ground. If the
vehicle is towed with the tires contacting
the ground, the drivetrain and related
parts may be damaged or an accident
may occur due to a change in direction
of the vehicle.
■
While towing
●
When towing using cables or chains,
avoid sudden starts, etc. which place
excessive stress on the towing eyelets,
cables or chains. The towing eyelets,
cables or chains may become dam-
aged, broken debris may hit people,
and cause serious damage.
●
Do not turn the engine switch off.
There is a possibility that the steering
wheel is locked and cannot be oper-
ated.
■
Installing towing eyelets to the vehi-
cle
Make sure that towing eyelets are
installed securely.
If not securely installed, towing eyelets
may come loose during towing.
NOTICE
■
To prevent damage to the vehicle
when towing using a wheel-lift type
truck
●
Do not tow the vehicle from the rear
when the engine switch is off. The
steering lock mechanism is not strong
enough to hold the front wheels
straight.
●
When raising the vehicle, ensure ade-
quate ground clearance for towing at
the opposite end of the raised vehicle.
Without adequate clearance, the vehi-
cle could be damaged while being
towed.
■
To prevent damage to the vehicle
when towing with a sling-type truck
Do not tow with a sling-type truck, either
from the front or rear.
■
To prevent damage to the vehicle dur-
ing emergency towing
Do not secure cables or chains to the
suspension components.
300
7-2. Steps to take in an emergency
The following may indicate a problem
with your transmission. Contact any
authorized Lexus retailer or Lexus
authorized repairer, or any reliable
repairer or commercial towing service
before towing.
The engine is running but the vehi-
cle does not move.
The vehicle makes an abnormal
sound.
From the front
Use a towing dolly under the rear
wheels.
From the rear
Use a towing dolly under the front
wheels.
When using a flat-bed truck to trans-
port the vehicle, use tire strapping
belts. Refer to the owner's manual of
the flat-bed truck for the tire strapping
method.
In order to suppress vehicle movement
during transportation, set the parking
brake and turn the engine switch off.
If a tow truck is not available in an
emergency, your vehicle may be tem-
porarily towed using cables or chains
secured to the emergency towing eye-
lets. This should only be attempted on
hard surfaced roads for at most 80 km
(50 miles) at under 30 km/h (18 mph).
A driver must be in the vehicle to steer
and operate the brakes. The vehicle’s
wheels, drive train, axles, steering and
brakes must be in good condition.
Situations when it is necessary to
contact dealers before towing
Towing with a wheel-lift type
truck
NOTICE
■
Towing with a sling-type truck
Do not tow with a sling-type truck to pre-
vent body damage.
Using a flatbed truck
Emergency towing
301
7
7-2. Steps to take in an emergency
When trouble
ar
ises
To have your vehicle towed by another
vehicle, the towing eyelet must be
installed to your vehicle. Install the tow-
ing eyelet using the following proce-
dure.
1
Take out the wheel nut wrench,
flathead screwdriver and towing
eyelet. (
P.326, 315)
2
Remove the eyelet cover using a
flathead screwdriver.
To protect the bodywork, place a rag
between the screwdriver and the vehicle
body as shown in the illustration.
3
Insert the towing eyelet into the
hole and tighten partially by hand.
4
Tighten down the towing eyelet
securely using a wheel nut wrench
or hard metal bar.
5
Securely attach cables or chains to
the towing eyelet.
Take care not to damage the vehi-
cle body.
6
Enter the vehicle being towed and
start the engine.
If the engine does not start, turn the
engine switch to IGNITION ON
mode.
7
Shift the shift lever to N and release
the parking brake.
When the shift lever cannot be
shifted:
P.136
■
While towing
If the engine is not running, the power assist
for the brakes and steering will not function,
making steering and braking more difficult.
■
Wheel nut wrench
Wheel nut wrench is installed in trunk.
(
P.326, 315)
Emergency towing procedure
302
7-2. Steps to take in an emergency
Fluid leaks under the vehicle.
(Water dripping from the air condi-
tioning after use is normal.)
Flat-looking tires or uneven tire
wear
Engine coolant temperature gauge
continually points higher than nor-
mal.
Changes in exhaust sound
Excessive tire squeal when corner-
ing
Strange noises related to the sus-
pension system
Pinging or other noises related to
the engine
Engine missing, stumbling or run-
ning roughly
Appreciable loss of power
Vehicle pulls heavily to one side
when braking
Vehicle pulls heavily to one side
when driving on a level road
Loss of brake effectiveness, spongy
feeling, pedal almost touches the
floor
If you think something is
wrong
If you notice any of the following
symptoms, your vehicle probably
needs adjustment or repair. Con-
tact any authorized Lexus retailer
or Lexus authorized repairer, or any
reliable repairer as soon as possi-
ble.
Visible symptoms
Audible symptoms
Operational symptoms
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