2010 Lexus IS250C light

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4-3. Do-it-yourself maintenance
10_IS250C/350C_U
Headlight aim
■Removing the engine compartment cover
→ P. 394
■ Vertical movement adjusting bolts
Adjustment bolt A
Adjustment bolt B
■ Before checking the headlight aim
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.
STEP1
STEP2
STEP3
STEP4

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4-3. Do-it-yourself maintenance
4
Maintenance and care
10_IS250C/350C_U
■Adjusting the headlight aim
Turn bolt A in either direction
using a Phillips-head screw-
driver.
Remember the turning direction
and the number of turns in mind.
Turn bolt B the same number of
turns and in the same direction
as step 1 using a Phillips-head
screwdriver.
If the error is over the value
specified above, take the vehicle
to your Lexus dealer to adjust
the headlight aim.
STEP1
STEP2

444
4-3. Do-it-yourself maintenance
10_IS250C/350C_U
Light bulbs
You may replace the following bulbs yourself. For more information about
replacing other light bulbs, contact your Lexus dealer.
■Preparing a replacement light bulb
Check the wattage of the light bulb being replaced. ( →P. 541)
■ Removing the engine compartment cover
→ P. 394
■ Front bulb locations
■ Rear bulb locations
Parking light
Headlight high
beam
Rear turn signal light Back-up light

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4-3. Do-it-yourself maintenance
4
Maintenance and care
10_IS250C/350C_U
Replacing light bulbs■ Headlight high beams
Release the lock and remove the
cover.
Turn the bulb base counterclock-
wise.
Unplug the connector while
depressing the lock release.
STEP1
STEP2
STEP3

446
4-3. Do-it-yourself maintenance
10_IS250C/350C_U■
Parking lights
Release the lock and remove the
cover.
Turn the bulb base counterclock-
wise.
Remove the light bulb.
■ Back-up light
Open the trunk lid and remove the
trunk panel cover clips.
STEP1
STEP2
STEP3
STEP1

447
4-3. Do-it-yourself maintenance
4
Maintenance and care
10_IS250C/350C_UPartly remove the trunk panel
cover and turn bulb bases coun-
terclockwise.
Remove the light bulb.
■ Rear turn si gnal lights
Open the trunk lid and remove the
covers.
Remove the bolts and unit.
STEP2
STEP3
STEP1
STEP2

448
4-3. Do-it-yourself maintenance
10_IS250C/350C_UTurn the bulb base counterclock-
wise.
Remove the light bulb.
■ Bulbs other than the above
If any of the bulbs listed below has burnt out, have your Lexus dealer
replace it.
● Headlight low beams (halogen bulbs)
● Headlight high and low beams (discharge bulbs)
● Front fog lights
● Front turn signal lights
● Front side marker lights
● Side turn signal lights
● Stop/tail lights
● Tail lights
● Rear side marker lights
STEP3
STEP4

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4-3. Do-it-yourself maintenance
4
Maintenance and care
10_IS250C/350C_U●
High mounted stoplight
● License plate lights
■When replacing the front left he adlight and parking light bulbs
■Condensation 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.
●Large drops of water are built up on the inside of the lens.
●Water has built up inside the headlight.
■Discharge 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.
■LED light bulbs
The front side marker lights, side turn signal lights, tail lights, stop/tail lights, high
mounted stoplight, rear side marker lights and license plate lights consist of a num-
ber of LEDs. If any of the LEDs burn out, take your vehicle to your Lexus dealer to
have the light replaced. Remove the securing bolt and move the
washer fluid filler opening to allow easy
access to the light bulbs.
After replacing the bulbs, make sure to
secure the washer fluid filler opening with the
bolt.