headlight LEXUS RX350 2011 Owner's Guide

509
4-3. Do-it-yourself maintenance
4

Maintenance and care
Headlight aim (discharge headlights)
nVertical movement adjustment bolts
Adjustment bolt A
Adjustment bolt B
nBefore checking the headlight aim
Remove the engine compartment cover. (→P. 464)
Make sure the vehicle has a full tank of gas 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.
nAdjusting the headlight aim
Turn bolt A in either direction
using a Phillips-head screw-
driver.
Remember the turning direction
and the number of turns.
STEP1
STEP2
STEP3
STEP4
STEP5
STEP1

510
4-3. Do-it-yourself maintenance
Turn bolt B the same number of
turns and in the same direction
as in step 1 using a Phillips-head
screwdriver.
If the headlight cannot be
adjusted using this procedure,
take the vehicle to your Lexus
dealer to adjust the headlight
aim.
STEP2

511
4-3. Do-it-yourself maintenance
4

Maintenance and care
Light bulbs
You may replace the following bulbs by yourself. The difficulty level of
replacement varies depending on the bulb. If necessary bulb replacement
seems difficult to perform, contact your Lexus dealer.
For more information about replacing other light bulbs, contact your Lexus
dealer.
nPreparing for light bulb replacement
Check the wattage of the light bulb to be replaced. (→P. 605)
nRemoving the engine compartment covers
→P. 4 6 4
nTurning off the power back door main switch (if equipped)
→P. 5 2
nFront bulb locations
Discharge headlights
Front side
marker light
Daytime running light
Front turn
signal light
Parking light

512
4-3. Do-it-yourself maintenance
Halogen headlights
nRear bulb locations
Headlight high beam
and daytime running light
Headlight low beam
Front side
marker light
Front turn
signal light
Parking light
Rear turn signal light
Back-up light
Rear side marker
light
Tail light
Tail light

513
4-3. Do-it-yourself maintenance
4

Maintenance and care
Replacing light bulbs
nDaytime running lights (discharge headlights)
Turn the bulb base counterclock-
wise.
Unplug the connector while
depressing the lock release.
nHeadlight high beams and daytime running lights (halogen head-
lights)
Right side only:
Open the cap.
Move the washer fluid filler
opening to allow easy access to
the light bulbs.
STEP1
STEP2
STEP1

514
4-3. Do-it-yourself maintenance
Turn the bulb base counterclock-
wise.
Unplug the connector while
depressing the lock release.
nHeadlight low beams (halogen headlights)
Turn the bulb base counterclock-
wise.
Unplug the connector while press-
ing the lock release.
STEP2
STEP3
STEP1
STEP2

520
4-3. Do-it-yourself maintenance
Remove the light bulb.
Tail light
Back-up light
nLights other than the above
If any of the lights listed below has burnt out, have it replaced by your
Lexus dealer.
lHeadlight low beams (discharge bulbs)
lHeadlight high and low beams (discharge bulbs)
lFront fog lights
lSide turn signal lights
lStop lights
lHigh mounted stoplight
lLicense plate lights
STEP3

521
4-3. Do-it-yourself maintenance
4

Maintenance and care
nDischarge headlights (if equipped)
If voltage to the discharge bulbs is insufficient, the bulbs may not come on, or may
go out temporarily. The discharge bulbs will come on when normal power is
restored.
nLED bulbs
The stop lights, side turn signal lights, license plate lights and high mounted stoplight
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.
nCondensation build-up on the inside of the lens
Contact your Lexus dealer for more information in the following situations. Tempo-
rary condensation build-up on the inside of the headlight lens does not indicate a
malfunction.
lLarge drops of water are built up on the inside of the lens.
lWater has built up inside the headlight.

522
4-3. Do-it-yourself maintenance
CAUTION
nReplacing light bulbs
lTurn 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.
lDo not touch the glass portion of the light bulb with bare hands. Hold the bulb by
the plastic or metal portion.
If the bulb is scratched or dropped it may blow out or crack.
lFully install light bulbs and any parts used to secure them. Failing 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.
nDischarge headlights (if equipped)
lContact your Lexus dealer before replacing discharge headlights (including light
bulbs).
lDo not touch the discharge headlight’s high voltage socket when the headlights
are turned on.
An extremely high voltage of 20000 V will be discharged and could result in
serious injury or death by electric shock.
lDo not attempt to take apart or repair the low beam discharge headlight bulbs,
connectors, power supply circuits, or related components.
Doing so could result in electric shock and serious injury or death.
nTo prevent damage or fire
Make sure bulbs are fully seated and locked.

5

When trouble arises
549
5-2. Steps to take in an emergency
(Flashes)
or
(Flashes)
(If equipped)
Indicates a malfunction in the radar cruise control
system
Press the “ON-OFF” button once to deactivate the
system, and then press the button again to reactivate
the system.
(If equipped)
Indicates a malfunction in the automatic headlight
leveling system
Indicates a malfunction in: