2009 Lexus GS450h Owner's Manual

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4-3. Do-it-yourself maintenance
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
CAUTION
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failing to do so may cause damage, and possibly a fire or injury.
●Never use a fuse of a higher amperage rating than 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.
This can cause extensive damage or even fire.
●Do not modify fuses or the fuse box.
■Fuse box near the power control unit
Never check or replace the fuses as there are high voltage parts and wiring near
the fuse box.
Doing so may cause electric shock, resulting death or serious injury.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus
dealer.
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Maintenance and care
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Headlight aim
■Gauges
High beam vertical position
Low beam vertical position
High beam horizontal posi-
tion
Low beam horizontal position
■ Adjustment bolts
High beam horizontal adjust-
ment
High beam vertical adjust-
ment
Low beam adjustment bolt A
Low beam adjustment bolt B
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■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.
■ Adjusting the headlight aim
Low beam (vertical adjustment)
Using a Phillips-head screw-
driver, turn adjustment bolt A so
that the bubble is within the 2
center lines.
Remember the turning direction
and the number of turns.
Turn bolt B the same number of
turns and in the same direction
as step 1.
STEP1
STEP2
STEP3
STEP4
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April 27, 2009 10:09 am
Low beam (horizontal adjustment)
Turn adjustment bolt A so that the red line on the gauge is in the middle
of the “0” mark (within the blue lines to either side of the gauge).
High beam (vertical and horizontal adjustment)
Turn each adjustment bolt in either direction so that the bubble in
within the 2 center lines (vertical), and the red line on the gauge is in
the middle of the “0” mark (within the blue lines to either side of the
gauge) (horizontal).
If you feel that there is a large deviation, have the headlight aim
adjusted at a Lexus dealer.
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GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
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. 573)
■ Remove the engine compartment cover if necessary
→ P. 4 3 9
■ Front bulb locations
■ Rear bulb locations
Parking light
Headlight high beam
Rear turn signal light Back-up light
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GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Replacing light bulbs■ Headlight high beam
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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■Parking light
Turn the bulb base counterclock-
wise.
Remove the light bulb.
■ 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.
STEP1
STEP2
STEP1
STEP2
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GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Remove the light bulb.
■ Rear turn si gnal light
Open the trunk lid and remove the
cover.
Turn the bulb base counterclock-
wise.
Remove the light bulb.STEP3
STEP1
STEP2
STEP3
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