Lexus RX350 (2022 year). Manual in english — page 22
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6-3. Do-it-yourself maintenance
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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 “Owner’s Manual Sup-
plement” or “Scheduled Maintenance”.)
■
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
significantly weakened in a short period.
When an air conditioning odor comes out
continuously, replace the air conditioning
filter.
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.
■
To prevent damage to the filter cover
When moving the filter cover in the
direction of arrow to release the fitting,
pay attention not to apply excessive force
to the claws. Otherwise, the claws may
be damaged.
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6-3. Do-it-yourself maintenance
1
Change the rest position of the
windshield wipers to the service
position using the wiper lever and
then lift a windshield wiper.
(
2
While pressing and holding the
wiper blade lock release button,
remove the wiper blade.
When performing this operation, make
sure to hold the hook portion of the wiper
arm securely.
Hook portion
3
While disengaging the cap lock,
using a tool such as a flathead
screwdriver if necessary, remove
the wiper insert.
Hold the cap on the end of the wiper insert
when removing the wiper insert. (The cap
is integrated into the wiper insert.)
If using a screwdriver, make sure to wrap its
tip with tape to protect the wiper blade.
Cap lock
4
Install a new wiper insert.
Make sure to push the wiper insert firmly
until the cap lock is engaged.
After installation, check that the cap lock is
locked securely.
5
Install the wiper blade to the wiper
arm.
Make sure to push the wiper blade until it is
locked.
When performing this operation, make
sure to hold the hook portion of the wiper
arm securely.
After installation, check that the wiper
blade is locked securely.
6
After replacing the wiper inserts,
place the windshield wipers on the
windshield and lower them to the
retracted position. (
Do not drive the vehicle with the wind-
shield wipers lifted.
Windshield wiper inserts
Replacing a windshield wiper
insert
A
A
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■
Replacing the rear wiper insert
Have the rear wiper insert replaced by your
Lexus dealer.
■
Handling of the windshield wiper blades
and inserts
Improper handling of the windshield wiper
blades and inserts may cause them to be
damaged. If it is difficult to follow the wiper
blade and insert replacement procedure
precisely, contact your Lexus dealer.
■
If the electronic key battery is depleted
The following symptoms may occur:
●
The smart access system with push-but-
ton start and wireless remote control will
not function properly.
●
The operational range will be reduced.
Flathead screwdriver
Lithium battery CR2032
■
Use a CR2032 lithium battery
●
Batteries can be purchased at your Lexus
dealer, 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
the local laws.
1
Take out the mechanical key.
2
Remove the cover.
To prevent damage to the key, cover the tip
Electronic key battery
Replace the battery with a new one
if it is depleted.
You will need the following items:
Replacing the battery
370
6-3. Do-it-yourself maintenance
of the flathead screwdriver with a tape.
3
Remove the depleted battery.
When removing the cover, the electronic
key module may stick to the cover and the
battery may not be visible. In this case,
remove the electronic key module in order
to remove the battery.
Insert a new battery with the “+” terminal
facing up.
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.
■
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
■
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.
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1
Turn the engine switch off.
2
Open the fuse box cover.
Engine compartment
Push the tab in and lift the lid off.
Driver’s side instrument panel
Remove the lid.
3
Remove the fuse with the pullout
tool.
Only some fuses can be removed
using the pullout tool.
4
Check if the fuse is blown.
Normal fuse
Blown fuse
Replace the blown fuse with a new fuse of
an appropriate amperage rating. The
amperage rating can be found on the fuse
box lid.
Many types of fuse are used on this vehicle.
This illustration shows a common type of
fuse used on this vehicle.
■
After a fuse is replaced
●
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 your Lexus dealer.
■
If there is an overload in a circuit
The fuses are designed to blow, protecting
the wiring harness from damage.
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
A
B
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6-3. Do-it-yourself maintenance
■
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.
Vehicles without single-beam head-
lights
Adjustment bolt A
Adjustment bolt B
Vehicles with single-beam head-
lights
Adjustment bolt A
Adjustment bolt B
1
Make sure the vehicle has a full
tank of gasoline and the area
around the headlight is not
deformed.
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.
NOTICE
■
Before replacing fuses
Have the cause of electrical overload
determined and repaired by your Lexus
dealer as soon as possible.
Headlight aim
Vertical movement adjusting
bolts
Before checking the headlight
aim
A
B
A
B
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2
Park the vehicle on level ground.
3
Sit in the driver’s seat.
4
Bounce the vehicle several times.
1
Using a phillips-head screwdriver,
turn bolt A in either direction.
Remember the turning direction and the
number of turns.
Vehicles without single-beam head-
lights
Vehicles with single-beam head-
lights
2
Turn bolt B the same number of
turns and in the same direction as
step
1
.
If the headlight cannot be adjusted using
this procedure, take the vehicle to your
Lexus dealer to adjust the headlight aim.
Vehicles without single-beam head-
lights
Vehicles with single-beam head-
lights
Adjusting the headlight aim
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6-3. Do-it-yourself maintenance
Check the wattage of the light bulb to
be replaced. (
■
Front
Front side marker light (vehicles
with single-beam headlights)
Front turn signal light (vehicles with
single-beam headlights)
Light bulbs
You may replace the following bulbs
by yourself. The difficulty level of
replacement varies depending on
the bulb. If necessary bulb replace-
ment seems difficult to perform,
contact your Lexus dealer.
For more information about replac-
ing other light bulbs, contact your
Lexus dealer.
Preparing for light bulb replace-
ment
Canceling the power back door
system
Bulb locations
A
B
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Rear
Back-up light (bulb type)
Rear turn signal light (bulb type)
■
Replacing the following bulbs
If any of the lights listed below has
burnt out, have it replaced by your
Lexus dealer.
Headlight
Parking lights and daytime running
lights
Front turn signal lights (vehicles
without single-beam headlights)
Front side marker lights (vehicles
without single-beam headlights)
Front fog lights (if equipped)
Cornering lights (if equipped)
Side turn signal lights
Stop/tail lights
Back-up lights (LED type)
Rear turn signal light (LED type)
Rear side marker lights
High mounted stoplight
License plate lights
Outer foot lights
■
LED Lights
The lights other than the front turn signal
lights (vehicles with single-beam head-
lights), front side marker lights (vehicles
with single-beam headlights), rear turn sig-
nal lights (bulb type) and back-up lights
(bulb type) each consist of a number of
LEDs. If any of the LEDs burn out, take your
vehicle to your Lexus dealer 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 your Lexus
dealer for more information in the following
situations:
●
Large drops of water have built up on the
inside of the lens.
●
Water has built up inside the headlight.
■
When replacing light bulbs
■
Front side marker lights (vehicles
with single-beam headlights)
1
To ensure enough space to per-
form work, turn the steering wheel
to rotate the front wheel away from
the bulb to be replaced.
Remove the 3 fender liner clips.
Turn the steering wheel to the left when
replacing the right side light bulb, and turn
the steering wheel to the right when
replacing the left side light bulb.
When removing a fender liner clip, use a
A
B
Replacing light bulbs
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6-3. Do-it-yourself maintenance
flathead screwdriver to pry the center por-
tion out and then remove the whole clip.
2
Pull back the fender liner until the
connector is visible.
3
Partially remove the fender liner
and turn the bulb base counter-
clockwise and remove it.
4
Remove the light bulb.
5
Install a new light bulb and then
install the bulb base to the light unit
by inserting it and turning it clock-
wise.
After installing the bulb base, wiggle it
lightly to make sure it is securely installed
and turn the lights on to visually check that
there is no light leaking from between the
bulb base and light unit.
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6
Reinstall the fender liner and install
the 3 fender liner clips.
■
Front turn signal lights (vehicles
with single-beam headlights)
1
Removing the engine compartment
cover.
1
Push the center of the clip.
2
Remove the clip.
2
For the right side only: Remove the
bolt, and move the washer fluid
inlet.
3
Turn the bulb base counterclock-
wise and remove it.
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6-3. Do-it-yourself maintenance
4
Remove the light bulb.
5
Install a new light bulb and then
install the bulb base to the light unit
by inserting it and turning it clock-
wise.
After installing the bulb base, wiggle it
lightly to make sure it is securely installed
and turn the lights on to visually check that
there is no light leaking from between the
bulb base and light unit.
6
For the right side only: Fix the
washer fluid inlet.
1
Align the tab position and install
washer fluid inlet.
2
Fasten the bolt.
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7
Install the engine compartment
cover.
1
Push up center portion
2
Insert
3
Press
■
Rear turn signal lights (bulb type)
1
Open the back door and apply pro-
tective tape to the vehicle body
around the taillight.
Use masking tape, etc. Do not use duct
tape, as it may leave residue or damage the
paint when removed.
2
Using a flathead screwdriver,
remove the cover.
To prevent scratching the vehicle, wrap the
tip of the flathead screwdriver with a cloth,
etc.
3
Remove the 2 screws.
4
Remove the taillight unit.
1
Attach 2 long pieces of masking
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6-3. Do-it-yourself maintenance
tape to the taillight unit and fold the
excess in half.
2
Hold the folded portion and pull it
toward the rear of the vehicle to
remove the light unit.
5
Turn the bulb base counterclock-
wise and remove it.
6
Remove the light bulb.
7
Install a new light bulb and then
install the bulb base to the light unit
by inserting it and turning it clock-
wise.
After installing the bulb base, wiggle it
lightly to make sure it is securely installed
and turn on the rear turn signal lights to
visually check that there is no light leaking
from between the bulb base and light unit.
8
Install the light unit.
Align the tabs and push the light unit-
toward the front of the vehicle to install it.
9
Install the 2 screws.
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10
Install the cover.
11
Remove the protective tape.
■
Back-up lights (bulb type)
1
Open the back door and remove
the cover.
Using a flathead screwdriver, remove the
cover.
To prevent scratching to the vehicle, wrap
the tip of the flathead screwdriver with a
cloth, etc.
2
Turn the bulb base counterclock-
wise and remove it.
3
Remove the light bulb.
4
Install a new light bulb and then
install the bulb base to the light unit
by inserting it and turning it clock-
wise.
After installing the bulb base, wiggle it
lightly to make sure it is securely installed
and turn on the back-up lights to visually
check that there is no light leaking from
between the bulb base and light unit.
5
Install the cover.
Align the tabs of the cover with the grooves
and install the cover.
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6-3. Do-it-yourself maintenance
WARNING
■
To prevent injury
Before performing any light bulb
replacement procedure, be sure to turn
the engine switch off. Failure to do so
may result in burns from hot components
or a part of your body may get caught on
an operating component, possibly caus-
ing serious injury.
■
Replacing light bulbs
●
Turn off the lights. Do not attempt to
replace the bulb immediately after
turning off the lights.
The bulbs become very hot and may
cause burns.
●
Do not touch the glass portion of the
light bulb with bare hands. When it is
unavoidable to hold the glass portion,
use and hold with a clean dry cloth to
avoid getting moisture and oils on the
bulb.
Also, if the bulb is scratched or
dropped, it may blow out or crack.
●
Fully install light bulbs and any parts
used to secure them. Failure to do so
may result in heat damage, fire, or
water entering the headlight unit. This
may damage the headlights or cause
condensation to build up on the lens.
●
Do not attempt to repair or disassem-
ble the light bulbs, connectors, electric
circuits or component parts.
Doing so may result in death or serious
injury due to electric shock.
■
To prevent damage or fire
●
Make sure bulbs are fully seated and
locked.
●
Check the wattage of the bulb before
installing to prevent heat damage.
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