LEXUS RX350, RX350L (2019 year). Instruction — part 39
621
7-3. Do-it-yourself maintenance
7
Main
tenance an
d care
RX350/RX350L_U
Change the rest position of the windshield wipers to the service position using
the wiper lever and then lift a windshield wiper. (
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.
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.
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.
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.
Windshield wiper inserts
Replacing a windshield wiper insert
1
Hook portion
12
Cap lock
3
14
5
622
7-3. Do-it-yourself maintenance
RX350/RX350L_U
After replacing the wiper inserts, place the windshield wipers on the wind-
shield and lower them to the retracted position. (
Do not drive the vehicle with the windshield wipers lifted.
■
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 pre-
cisely, contact your Lexus dealer.
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7-3. Do-it-yourself maintenance
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Main
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RX350/RX350L_U
●
Flathead screwdriver
●
Lithium battery CR2032
Take out the mechanical key.
Remove the cover.
To prevent damage to the key, cover the
tip of the flathead screwdriver with a
tape.
Remove the depleted battery.
When removing the cover, the elec-
tronic 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 “+” termi-
nal facing up.
Electronic key battery
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
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2
3
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7-3. Do-it-yourself maintenance
RX350/RX350L_U
■
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.
■
If the electronic key battery is depleted
The following symptoms may occur:
●
The smart access system with push-button start and wireless remote control will not
function properly.
●
The operational range will be reduced.
WARNING
■
Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking. Keep away
from children. Failure to do so could result in death or serious injury.
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 component inside the remote control.
●
Do not bend either of the battery terminals.
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7-3. Do-it-yourself maintenance
7
Main
tenance an
d care
RX350/RX350L_U
Turn the engine switch off.
Open the fuse box cover.
Engine compartment
Push the tab in and lift the lid off.
Driver’s side instrument panel
Remove the lid.
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.
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2
626
7-3. Do-it-yourself maintenance
RX350/RX350L_U
Remove the fuse with the pullout
tool.
Only some fuses can be removed
using the pullout tool.
Check if the fuse is blown.
Normal fuse
Blown fuse
Replace the blown fuse with a new
fuse of an appropriate amperage rat-
ing. The amperage rating can be
found on the fuse box lid.
Many types of fuse are used on this
vehicle. This illustration shows a com-
mon 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.
■
When replacing light bulbs
Lexus recommends that you use genuine Lexus products designed for this vehicle.
Because certain bulbs are connected to circuits designed to prevent overload, nongenu-
ine parts or parts not designed for this vehicle may be unusable.
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4
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2
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.
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7-3. Do-it-yourself maintenance
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Main
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RX350/RX350L_U
NOTICE
■
Before replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus dealer as
soon as possible.
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7-3. Do-it-yourself maintenance
RX350/RX350L_U
Adjustment bolt A
Adjustment bolt B
Make sure the vehicle has a full tank of gasoline and the area around the
headlight is not deformed.
Park the vehicle on level ground.
Sit in the driver’s seat.
Bounce the vehicle several times.
Headlight aim (vehicles with single-beam head-
lights)
Vertical movement adjusting bolts
1
2
Before checking the headlight aim
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2
3
4
629
7-3. Do-it-yourself maintenance
7
Main
tenance an
d care
RX350/RX350L_U
Using a Phillips-head screwdriver,
turn bolt A in either direction.
Remember the turning direction and the
number of turns.
Turn bolt B the same number of turns
and in the same direction as step .
If the headlight cannot be adjusted using
this procedure, take the vehicle to your
Lexus dealer to adjust the headlight aim.
Adjusting the headlight aim
1
2
1
630
7-3. Do-it-yourself maintenance
RX350/RX350L_U
Check the wattage of the light bulb to be replaced. (
Light bulbs
You may replace the following bulbs by yourself. The difficulty level of replace-
ment varies depending on the bulb. If necessary bulb replacement seems diffi-
cult to perform, contact your Lexus dealer.
For more information about replacing other light bulbs, contact your Lexus
dealer.
Preparing for light bulb replacement
Canceling the power back door system
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7-3. Do-it-yourself maintenance
7
Main
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d care
RX350/RX350L_U
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Front
Bulb locations
Front turn signal light (vehicles with single-beam headlights)
Front side marker light (vehicles with single-beam headlights)
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2
632
7-3. Do-it-yourself maintenance
RX350/RX350L_U
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Rear
Back-up light
Rear turn signal light (vehicles with single-beam headlights)
1
2
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7-3. Do-it-yourself maintenance
7
Main
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d care
RX350/RX350L_U
■
Front side marker lights (vehicles with single-beam headlights)
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 flathead screwdriver to pry the
center portion out and then remove
the whole clip.
Pull back the fender liner until the
connector is visible.
Partially remove the fender liner
and turn the bulb base counter-
clockwise and remove it.
Replacing light bulbs
1
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3
634
7-3. Do-it-yourself maintenance
RX350/RX350L_U
Remove the light bulb.
Install a new light bulb and then
install the bulb base to the light
unit by inserting it and turning it
clockwise.
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.
Reinstall the fender liner and
install the 3 fender liner clips.
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5
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635
7-3. Do-it-yourself maintenance
7
Main
tenance an
d care
RX350/RX350L_U
■
Front turn signal lights (vehicles with single-beam headlights)
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 flathead screwdriver to pry the
center portion out and then remove
the whole clip.
Pull back the fender liner until the
connector is visible.
Partially remove the fender liner
and turn the bulb base counter-
clockwise and remove it.
1
82
3
636
7-3. Do-it-yourself maintenance
RX350/RX350L_U
Remove the light bulb.
Install a new light bulb and then
install the bulb base to the light
unit by inserting it and turning it
clockwise.
After installing the bulb base, wiggle
it lightly to make sure it is securely
installed and turn on the turn signal
lights to visually check that there is no
light leaking from between the bulb
base and light unit.
Reinstall the fender liner and
install the 3 fender liner clips.
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5
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