4966-3. Do-it-yourself maintenance
GS350_200t_GS F_OM_OM30F83E_(EE)
Check if the fuse is blown.
Normal fuse
Blown fuse
Type A and B:
Replace the blown fuse with a new fuse of an appropriate amperage rating. The
amperage rating can be found on the fuse box lid.
Type C and D:
Contact any authorized Lexus retailer or Le xus authorized repairer, or any reliable
repairer.4
1
2
Type AType B
Type CType D
497
6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350_200t_GS F_OM_OM30F83E_(EE)
■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. 498)
●If the replaced fuse blows again, have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repa irer, or any reliable repairer.
■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 us e genuine Lexus products designed for this vehicle.
Because certain bulbs are connected to circuits designed to prevent overload, non-gen-
uine parts or parts not designed for this vehicle may be unusable.
WARNING
■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 any authorized
Lexus retailer or Lexus authorized repairer, or any reliable repairer as soon as possible.
5907-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30F83E_(EE)
If the engine will not start
One of the following may be the cause of the problem: ●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine again following correct starting procedures. ( P. 240)
● There may be a malfunction in the engine immobilizer system. ( P. 86)
One of the following may be the cause of the problem: ● The battery may be discharged. ( P. 597)
● The battery terminal connections may be loose or corroded.
The engine starting system may be malfunctioning due to an electrical problem
such as electronic key battery depletion or a blown fuse. However, an interim
measure is available to start the engine. ( P. 591)
One of the following may be the cause of the problem: ● One or both of the battery terminals may be disconnected.
● The battery may be discharged. ( P. 597)
● There may be a malfunction in the steering lock system.
Contact any authorized Lexus retailer or Le xus authorized repairer, or any reliable
repairer if the problem cannot be repaired , or if repair procedures are unknown.
If the engine will not start even though correct starting procedures are being
followed ( P. 240), consider each of the following points:
The engine will not start even thou gh the starter motor operates nor-
mally.
The starter motor turns over slowly , the interior lights and headlights
are dim, or the horn does not so und or sounds at a low volume.
The starter motor does not turn over
The starter motor does not turn over , the interior lights and headlights
do not turn on, or the horn does not sound.
664Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Front personal lights ..............................417
Front position lights.............................. 262
Light switch ........................................... 262
Replacing light bulbs....................... 504
Welcome light illumination control................................................... 160
Front seats ................................................ 196 Adjustment ............................................. 196
Cleaning................................................. 444
Correct driving posture .................... 44
Driving position memory ................ 199
Head restraints.................................... 204
Power easy access system ............ 199
Seat heaters ............................................ 412
Seat position memory ...................... 199
Seat ventilators ...................................... 412
Front turn signal lights......................... 255 Replacing light bulbs........... 499, 504
Turn signal lever .................................255
Wattage....................................................631
Fuel ............................................................. 282 Capacity ................................................... 617
Fuel gauge..................................... 108, 113
Fuel pump shut off system...............517
Information ............................................ 632
Refueling ................................................ 282
Type ............................................................ 617
Warning light .......................................520
Warning messages........................... 524
Fuel consumption
Average fuel consumption............................ 122, 130
Average fuel consumption after refueling .......................... 122, 130
Current fuel consumption.... 122, 130 Fuel filler door ........................................ 282
Refueling ................................................ 282
When the fuel filler door cannot be opened......................... 284
Fuel pump shut off system .................. 517
Fuses .......................................................... 493
Gauges ..............................................108, 113
Glove box................................................ 420
Glove box light ...................................... 420
Hands-free system (for cellular phone) *
Head restraints ...................................... 204
Headlight cleaner...................... 277, 278
Headlights ............................................... 262 Adaptive Front-lighting
System (AFS)................................... 263
AHS (Adaptive High-beam
System) ............................................... 265
Automatic High Beam
system.................................................. 270
Follow me home system................ 263
Headlight leveling warning message ............................................. 524
Light switch............................................262
Replacing light bulbs ....................... 504
Head-up display....................................... 141
Heated steering wheel.......................... 411
G
H
669
Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Power steering....................................... 376
Warning light ........................................ 519
Warning message............................. 524
Power trunk lid........................................ 166
Power windows ...................................... 214 Door lock linked window
operation ..............................................215
Jam protection function.................... 214
Operation ................................................ 214
Window lock switch........................... 214
Pre-Crash Safety system (PCS)..... 295 Function .................................................. 295
Warning light ........................................ 519
Warning message............................. 524
Radar cruise control (dynamic radar cruise control) ........................ 343
Radar cruise control (dynamic radar cruise control with
full-speed range) ................................ 331
Radiator .................................................... 466
Radio *
Radio Data System (RDS) *
Rear air conditioning system .......... 408
Rear door sunshades ........................... 431 Rear fog light .......................................... 275
Replacing light bulb ......................... 504
Switch .......................................................275
Rear personal lights............................... 417
Rear seat heaters.................................... 412
Rear sunshade .........................................431
Operation ............................................... 431
Reverse operation feature .............432
Rear turn signal lights ......................... 255 Replacing light bulbs ....................... 504
Turn signal lever................................. 255
Rear view mirror
Inside rear view mirror *
Outside rear view mirrors ................ 211
Rear view monitor system *
Rear window defogger ..................... 402
Refueling .................................................. 282 Capacity................................................... 617
Fuel types ................................................ 617
Opening the fuel tank cap ............ 284
When the fuel filler door cannot be opened......................... 284
Remote Touch *
Replacing
Electronic key battery ....................... 491
Fuses ........................................................ 493
Light bulbs ............................................ 498
Tires .......................................................... 557
Rev indicator .................................... 110, 116
Rev peak .............................................110, 117
R
* : Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.