2022 LEXUS RX450h Owners Manual

3916-3. Do-it-yourself maintenance
6
Maintenance and care
2Park 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

3926-3. Do-it-yourself maintenance
Check the wattage of the light bulb to
be replaced. (P.460)
 P.123
■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

3936-3. Do-it-yourself maintenance
6
Maintenance and care
■RearBack-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 in side the headlight.
■When replacing light bulbs
P.389
■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

3946-3. Do-it-yourself maintenance
flathead screwdriver to pry the center por-
tion out and then re move the whole clip.
2Pull back the fender liner until the
connector is visible. 3
Partially remove the fender liner
and turn the bulb base
counterclockwise 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.

3956-3. Do-it-yourself maintenance
6
Maintenance and care
6Reinstall the fender liner and install
the 3 fender liner clips.
■Front turn signal lights (vehicles
with single-bea m 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 of washer fluid inlet.
3 For the right side only: Open the
cap, remove the bracket , and
move the washer fluid inlet.
A

3966-3. Do-it-yourself maintenance
4Turn the bulb base
counterclockwise and remove it.
5 Remove the light bulb.
6 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 bu lb 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.
7 For the right side only: Install the
bracket and close the cap.
8 For the right side only: Fix the
washer fluid inlet.
1 Align the tab position and install
washer fluid inlet.
2 Fasten the bolt.
A

3976-3. Do-it-yourself maintenance
6
Maintenance and care
9Install 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.
2Using a flathead screwdriver,
remove the cover.
To prevent scratching the vehicle, wrap the
tip of the flathead scre wdriver with a cloth,
etc.
3 Remove the 2 screws.
4 Remove the taillight unit.
1 Attach 2 long pieces of masking

3986-3. 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
counterclockwise 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 bu lb 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.
8Install the light unit.
Align the tabs and push the light unit-
toward the front of the vehicle to install it.
9Install the 2 screws.