2015 Lexus GS350 maintenance

GS350_OM_OM30F69U_(U)
4396-3. Do-it-yourself maintenance
6
Maintenance and care
■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. 4 4 2 )
●If the replaced fuse blows again, have the vehicle inspected by your Lexus dealer.
■If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.
■When replacing light bulbs
Lexus recommends that you use genuine Lexu s products designed for this vehicle.
Because certain bulbs are connected to circuits designed to prevent overload, non-
genuine parts or parts not designed for this vehicle may be unusable.
CAUTION
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or injury.
●Never use a fuse of a higher amperage rating than that 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.
●Do not modify the fuses or fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus
dealer as soon as possible.

440
GS350_OM_OM30F69U_(U)
6-3. Do-it-yourself maintenance
Headlight aim
Adjustment bolt A
Adjustment bolt B
Make sure the vehicle has a full tank of gasoline 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.
Vertical movement adjusting bolts
Discharge headlightsLED headlights
1
2
Before checking the headlight aim
1
2
3
4

GS350_OM_OM30F69U_(U)
4416-3. Do-it-yourself maintenance
6
Maintenance and care
Using a Phillips-head screwdriver, turn bolt A in either direction.
Remember the turning direction and the number of turns.
Turn bolt B the same number of turns and in the same direction as step
.
If the headlight cannot be adjusted using this procedure, take the vehicle to your
Lexus dealer to adjust the headlight aim.
Adjusting the headlight aim
1
Discharge headlightsLED headlights
2
1
Discharge headlightsLED headlights

442
GS350_OM_OM30F69U_(U)
6-3. Do-it-yourself maintenance
Light bulbs
Check the wattage of the light bulb to be replaced. (P. 543)
 P. 396
You may replace the following bulbs by yourself. The difficulty level of
replacement varies depending on the bulb. If necessary bulb replace-
ment seems difficult to perform, contact your Lexus dealer.
For more information about replacin g other light bulbs, contact your
Lexus dealer.
Preparing for light bulb replacement
Removing the engine compartment covers

GS350_OM_OM30F69U_(U)
4436-3. Do-it-yourself maintenance
6
Maintenance and care
■Front
Vehicles with discharge headlights
Front turn signal light
Halogen fog light (if equipped)
Vehicles with LED headlights
Halogen fog light (if equipped)
Front turn signal light
Bulb locations
1
2
1
2

444
GS350_OM_OM30F69U_(U)
6-3. Do-it-yourself maintenance
■RearBack-up light
Rear turn signal light
1
2

GS350_OM_OM30F69U_(U)
4456-3. Do-it-yourself maintenance
6
Maintenance and care
■Halogen fog lights (if equipped)To allow enough working
space, turn the steering wheel
to the opposite side of the bulb
to be replaced.
Remove the 2 fender liner
clips.
Turn the steering wheel to the left
when replacing the right side light
bulb, and turn the steering wheel to
the right when replacing the left
side light bulb.
To take out the clips, turn the head
of the clip to unlock, then remove
by pulling.
While holding the clamp open,
pull and remove the tabs and
open the fender liner.
Unplug the connector while
pressing the lock release.
Replacing light bulbs
1
2
3

446
GS350_OM_OM30F69U_(U)
6-3. Do-it-yourself maintenance
Turn the bulb base counter-
clockwise.
Set the new light bulb.
Align the 3 tabs on the light bulb
with the mounting, and insert. Turn
it clockwise to set.
Set the connector.
After installing the connector,
shake the bulb base gently to check
that it is not loose, turn the fog lights
on once and visually confirm that
no light is leaking through the
mounting.
Reinstall the fender liner and
install the clips.
Insert the clips and turn to lock.
4
5
6
7