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4
Maintenance and care
IS350/250_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. 5 2 4 )
■ Removing the engine compartment cover
→ P. 388
■ Front bulb locations
Parking lights (vehicles with
halogen headlights)
Headlight high beam and daytimerunning lights (vehicles with halogen headlights)
Headlight high beam
(vehicles with discharge
headlights)
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IS350/250_U
■Rear bulb locations
Rear turn signal light
Back-up light
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4-3. Do-it-yourself maintenance
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Maintenance and care
IS350/250_U
Replacing light bulbs■ Headlight high beams and daytime ru nning lights (vehicles with halo-
gen headlights)
Release the lock and remove the
cover.
Turn the bulb base counterclock-
wise.
Unplug the connector while
depressing the lock release.
STEP1
STEP2
STEP3
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IS350/250_U■
Headlight high beams (vehicle s with discharge headlights)
Turn the cover counterclockwise
and remove it.
Turn the bulb base counterclock-
wise.
Unplug the connector while pull-
ing the lock release.
STEP1
STEP2
STEP3
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Maintenance and care
IS350/250_U■
Parking lights (vehicles with halogen headlights)
Release the lock and remove the
cover.
Turn the bulb base counterclock-
wise.
Remove the light bulb.
■ Back-up lights
Open the trunk door and remove
the trunk panel cover clips.
STEP1
STEP2
STEP3
STEP1
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IS350/250_UPartly remove the trunk panel
cover and turn the bulb base coun-
terclockwise.
Remove the light bulb.
■ Rear turn signal lights
Open the trunk door and remove
the cover.
Turn the bulb base counterclock-
wise.
STEP2
STEP3
STEP1
STEP2
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Maintenance and care
IS350/250_URemove 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
● High mounted stoplight
● License plate lights
● Parking lights and daytime running lights (vehicles with discharge
headlights)
STEP3
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■When replacing the front left headlight and parking light (vehicles with halogen
headlights) 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 front side marker lights, side turn signal lights, tail lights, stop/tail lights, high
mounted stoplight, rear side marker lights, license plate lights and parking lights
(vehicles with discharge headlights)
The front side marker lights, side turn signal lights, tail lights, stop/tail lights, high
mounted stoplight, rear side marker lights, license plate lights and parking lights
(vehicles with discharge headlights) 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.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.