2010 Lexus GS450h bulb

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GS_HV_U (OM30C81U)
February 1, 2010 10:54 am
4-1. Maintenance and care
Cleaning and protecting 
the vehicle exterior................... 442
Cleaning and protecting 
the vehicle interior .................... 445
4-2. Maintenance
Maintenance requirements ..... 448
General maintenance ............... 450
Emission inspection and 
maintenance (I/M) 
programs ...................................... 4534-3. Do-it-yourself maintenance
Do-it-yourself service 
precautions .................................. 454
Hood ................................................. 457
Positioning a floor jack.............. 458
Engine compartment.................. 460
Tires ................................................... 475
Tire inflation pressure................ 485
Wheels ............................................ 489
Air conditioning filter................... 491
Electronic key battery ................ 494
Checking and replacing 
fuses ................................................ 496
Headlight aim ................................... 511
Light bulbs ........................................ 514
5-1. Essential information
Emergency flashers .................... 522
If your vehicle needs to be 
towed ............................................. 523
If you think something is 
wrong .............................................. 531
Event data recorder.................... 532
4Maintenance and care
5When trouble arises

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2-1. Driving procedures
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
Turn signal lever
■Turn signals can be operated when
The “POWER” switch is in ON mode.
■If the indicators flash faster than usual
Check that a light bulb in the front or rear turn signal lights has not burned out.
Right turn
Left turn
Move and hold the lever part-
way to signal a lane change
The right hand signal will flash
until you release the lever.
Move and hold the lever part-
way to signal a lane change
The left hand signal will flash
until you release the lever.

Maintenance and care4
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GS_HV_U (OM30C81U)
January 28, 2010 11:30 am
4-1. Maintenance and care
Cleaning and protecting 
the vehicle exterior............. 442
Cleaning and protecting 
the vehicle interior .............. 4454-2. Maintenance
Maintenance 
requirements........................ 448
General maintenance .......... 450
Emission inspection and 
maintenance (I/M) 
programs ............................... 453
4-3. Do-it-yourself maintenance
Do-it-yourself service 
precautions ........................... 454
Hood ........................................... 457
Positioning a floor jack ......... 458
Engine compartment ........... 460
Tires............................................. 475
Tire inflation pressure........... 485
Wheels ...................................... 489
Air conditioning filter ............ 491
Electronic key battery.......... 494
Checking and replacing 
fuses ........................................ 496
Headlight aim ........................... 511
Light bulbs ................................. 514

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4-3. Do-it-yourself maintenance
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Maintenance and care
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
■Luggage compartment 
(vehicles with active stabilizer suspension system)
FuseAmpereCircuit
1STB FR50Front stabilizer
2STB RR30Rear stabilizer
3STB DC/DC30DC/DC converter
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb may
need replacement. (P. 5 1 4 )
●If the replaced fuse blows again, have the vehicle inspected by your Lexus
dealer.
■If there is an overload in the circuits
The fuses are designed to blow before the entire wiring harness is damaged.

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4-3. Do-it-yourself maintenance
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
Light bulbs
You may replace the following bulbs yourself. For more information about
replacing other light bulbs, contact your Lexus dealer.
■Prepare a replacement light bulb
Check the wattage of the light bulb being replaced. (P. 5 9 7 )
■Remove the engine compartment cover if necessary
P. 4 6 1
■Front bulb locations
■Rear bulb locations
Parking light
Headlight high beam and 
daytime running light
Rear turn signal light Back-up light

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
Replacing light bulbs
■Headlight high beam and daytime running light
Left-hand side: Remove the fuse
box cover.
Unplug the connector while
depressing the lock release.
Turn the bulb base counterclock-
wise to remove it.
STEP1
STEP2
STEP3

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4-3. Do-it-yourself maintenance
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
■Parking light
Turn the bulb base counterclock-
wise.
Remove the light bulb.
STEP1
STEP2

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
■Back-up light
Open the trunk lid. Remove the
trunk handle and panel cover clips.
Partly remove the trunk panel
cover and turn the bulb bases
counterclockwise.
Remove the light bulb.
STEP1
STEP2
STEP3