2010 Lexus GS350 Using The Audio System / LEXUS 2010 GS460 GS350 OWNERS MANUAL (OM30C80U)

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
FuseAmpereCircuit
16AM27. 5Starting system
17RH-IG7. 5
Seat heater switches, front right door
control system, rear right door con-
trol system, capacitor, combination
switch, seat belt pretensioners, shift
lever switch, power window
18FR S/HTR RH15Seat heaters and ventilators
19ECU-IG RH10
Tilt and telescopic steering, combina-
tion switch, multiplex communication
system, power seat, smart entry &
start system, air conditioning system,
audio system, shift lock system

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4-3. Do-it-yourself maintenance
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
■Luggage compartment
FuseAmpereCircuit
1RR S/SHADE7. 5Rear sunshade
2PSB30Pre-collision seat belt
3RR-IG210
4RR-IG110Pre-collision seat belt, seat belt pre-
tensioners, A/P UNIT, rear sunshade
5RR-B10Trunk light, noise filter
6RR FOG7. 5
7STOP LP L10Stoplights, back-up light
8STOP LP R10High mounted stoplights
9RR TAIL10Tail lights, license plate lights, rear
side marker lights

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
■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 2 )
●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_G_U (OM30C80U)
June 29, 2011 10:30 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.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus
dealer.

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Headlight aim
■Gauges
High beam vertical position
Low beam vertical position
High beam horizontal posi-
tion
Low beam horizontal position

510
4-3. Do-it-yourself maintenance
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
■Adjustment bolts
High beam horizontal adjust-
ment
High beam vertical adjust-
ment
Low beam adjustment bolt A
Low beam 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
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
■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.
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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4-3. Do-it-yourself maintenance
GS_G_U (OM30C80U)
June 29, 2011 10:30 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. 600)
■Remove the engine compartment cover if necessary
P. 4 5 0
■Front bulb locations
■Rear bulb locations
Parking light
Headlight high beam and 
daytime running light
Rear turn signal light Back-up light