Lexus GS350 2014 Do-it-yourself maintenance /

821
GS350_OM_OM30D41U_(U)
Index
What to do if... (Troubleshooting)................................ 822
Alphabetical index.................................828
For vehicles with a navigation sy stem, refer to the “Navigation Sys-
tem Owner’s Manual” for information regarding the navigation
system.

822What to do if... (Troubleshooting)
GS350_OM_OM30D41U_(U)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys
can be made by your Lexus dealer. ( P. 1 0 1 )
●If you lose your electronic keys, the risk of vehicle theft
increases significantly. Contact your Lexus dealer immediately.
( P. 1 0 2 )
●Is the electronic key battery weak or depleted? ( P. 6 5 9 )
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( P. 1 74 )
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the elec-
tronic key on your person.
●The function may not operate properly due to the condition of
the radio wave. ( P. 110)
If you have a problem, check the following before contacting your
Lexus dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked

823What to do if... (Troubleshooting)
GS350_OM_OM30D41U_(U)
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when
the lock is set. Open the rear door from outside and then
unlock the child-protector lock. ( P. 120)
●The function to prevent the electronic key from being left inside
the trunk will operate and you ca n open the trunk as usual. Take
the key out from the trunk. ( P. 1 0 4 )
The rear door cannot be opened
The trunk lid is closed with the electronic key left inside

824What to do if... (Troubleshooting)
GS350_OM_OM30D41U_(U)
●Did you press the engine switch while firmly depressing the
brake pedal? (P. 1 7 3 )
●Is the shift lever in P? ( P. 1 76 )
●Is the electronic key anywhere detectable inside the vehicle?
( P. 1 0 6 )
●Is the steering wheel unlocked? ( P. 177)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way.
( P. 755)
●Is the battery discharged? ( P. 7 5 7 )
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake
pedal with the engine switch in IGNITION ON mode
( P. 7 5 1 )
●It is locked automatically to prevent theft of the vehicle.
(P. 1 76 )
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from P even if you depress the
brake pedal
The steering wheel cannot be turned after the engine is stopped

825What to do if... (Troubleshooting)
GS350_OM_OM30D41U_(U)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat can-
not be operated if the window lock switch is pressed. (P. 1 4 7 )
●The auto power off function will be operated if the vehicle is left
in ACCESSORY or IGNITION ON mode (the engine is not
running) for a period of time. ( P. 1 76 )
●The seat belt remind er light is flashing
Are the driver and the front passenger wearing the seat belts?
( P. 705)
●The parking brake indicator is on
Is the parking brake released? ( P. 1 8 8 )
Depending on the situation, ot her types of warning buzzer may
also sound. ( P. 702, 712)
The windows do not open or close by operating the power win-
dow switches
The engine switch is turned off automatically
A warning buzzer sounds during driving

826What to do if... (Troubleshooting)
GS350_OM_OM30D41U_(U)
●Did anyone inside the vehicle open a door during setting the
alarm?
The sensor detects it and the alarm sounds. ( P. 7 2 )
To stop the alarm, turn the engi ne switch to IGNITION ON mode
or start the engine.
●Is the electronic key left insid e the vehicle or the moon roof
opened?
Check the message on the multi-information display.
( P. 7 1 9 )
●When a warning light turns on or a warning message is dis-
played, refer to P. 702, 712.
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

827What to do if... (Troubleshooting)
GS350_OM_OM30D41U_(U)
●Stop the vehicle in a safe place and replace the flat tire with the
spare tire. ( P. 7 3 6 )
●Try the procedure for when th e vehicle becomes stuck in mud,
dirt, or snow. ( P. 764)
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

828Alphabetical index
GS350_OM_OM30D41U_(U)
Alphabetical index
A/C ............................................................ 353Air conditioning filter........................657
Changing the rear seat settings .................................................362
Front automatic air conditioning system ................................................. 353
Humidity sensor ................................ 365
Micro dust and pollen filter ...........363
Rear air conditioning system....... 369
S-FLOW mode ..................................363
ABS (Anti-lock Brake System)....... 269 Function ..................................................269
Warning light .......................................703
Warning message ...............................716
Adaptive Front-lighting system (AFS) ........................................................194
Adaptive Variable Suspension system (AVS) ............. 270
AFS (Adaptive Front-lighting System) ....................................................194
Air conditioning filter .......................... 657
Air conditioning system ..................... 353 Air conditioning filter........................657
Changing the rear seat settings .................................................362
Front automatic air conditioning system ................................................. 353
Humidity sensor ................................ 365
Micro dust and pollen filter ...........363
Rear air conditioning system....... 369
S-FLOW mode ..................................363 Airbags .........................................................36
Airbag operating conditions .......... 44
Airbag precautions for your child ....................................... 39
Airbag warning light ........................ 703
Correct driving posture .................... 28
Curtain shield airbag operating conditions ....................... 44
Curtain shield airbag precautions ............................................ 41
Front passenger occupant classification system..........................47
General airbag precautions ........... 39
Locations of airbags............................ 36
Modification and disposal of airbags............................................... 43
Side airbag operating conditions ............................................. 44
Side airbag precautions .................... 39
Side and curtain shield airbags operating conditions ....................... 44
Side and curtain shield airbags precautions ......................... 39
SRS airbags ............................................. 36
Alarm ............................................................ 72 Alarm ........................................................... 72
Warning buzzer....................... 702, 712
Anchor brackets.......................................62
Antennas (smart access system with push-button start) .....................105
Anti-lock Brake System (ABS) .......269 Function .................................................. 269
Warning light ....................................... 703
Warning message............................... 716
Approach warning (dynamic radar cruise control).......................... 221
Armrest .................................................... 585
A

829Alphabetical index
GS350_OM_OM30D41U_(U)
Armrest door .........................................589
Ashtrays.................................................... 576
Assist grip ................................................. 591
Audio input.............................................. 485
Audio system.......................................... 376Audio input........................................... 485
AUX port/USB port....................485, 465, 475
Bluetooth
® audio...............................452
CD/DVD player ..................................421
CD/DVD player information ....... 441
DVD video ............................................429
iPod ........................................................... 473
MP3/WMA disc ............................... 423
Optimal use ......................................... 483
Portable music player ..................... 485
Radio ....................................................... 399
Rear seat audio controls ................487
Steering wheel audio switch ........492
USB memory .......................................463
Automatic headlight leveling system ..................................................... 195
Automatic light control system ......................................................192
Automatic transmission ...................... 180 If the shift lever cannot be shifted from P ............. 751
M mode ................................................... 183
Paddle shift switches ......................... 182
AUX port................................................. 485
Auxiliary boxes ...................................... 570
AVS (Adaptive Variable Suspension system).......................... 270 Back-up lights
Replacing light bulbs ...................... 686
Wattage .................................................. 777
Battery ...................................................... 638 Battery checking ................................638
If the vehicle battery is discharged .................................... 757
Preparing and checking before winter....................................................304
Warning light ....................................... 703
Bluetooth
®
Audio system ....................................... 452
Hands-free system (for cellular phone) ....................... 495
Brake Fluid .......................................................... 637
Parking brake ....................................... 188
Warning light ........................... 702, 704
Warning message............................... 712
Brake assist ..............................................269
Break-in tips .............................................158
Brightness control Instrument panel light control ........ 82
BSM (Blind Spot Monitor) ............... 288 Blind Spot Monitor function......... 292
Rear Cross Traffic Alert function................................................ 295
B

830Alphabetical index
GS350_OM_OM30D41U_(U)
Care ................................................. 608, 612Aluminum wheels ............................. 609
Exterior................................................... 608
Interior ...................................................... 612
Seat belts ................................................. 613
Cargo capacity........................................170
Cargo hooks ............................................ 571
CD player .................................................. 421
Chains ....................................................... 306
Child restraint system............................ 55 Booster seats, definition ....................55
Booster seats, installation..................65
Convertible seats, definition ............55
Convertible seats, installation ......... 62
Front passenger occupant classification system ......................... 47
Infant seats, definition ..........................55
Infant seats, installation ....................... 62
Installing CRS with LATCH anchors .....................60
Installing CRS with seat belts .......... 62
Installing CRS with top tether strap .........................66 Child safety .................................................54
Airbag precautions.............................. 39
Battery precautions ............. 639, 760
Child restraint system......................... 55
How your child should wear the seat belt ................................... 31, 32
Installing child restraints .................... 59
Moon roof precautions ....................153
Power window lock switch............. 147
Power window precautions ...........149
Rear door child-protectors ............120
Removed electronic key battery precautions ............. 660
Seat belt comfort guide ....................... 31
Seat belt extender precautions .......................................... 35
Seat belt precautions .......................... 58
Seat heater precautions .................583
Trunk precautions ............................... 126
Child-protectors .................................... 120
Cleaning ........................................ 608, 612 Aluminum wheels ............................. 609
Exterior .................................................. 608
Interior ....................................................... 612
Seat belts..................................................613
Clock..........................................................575
Coat hooks ............................................. 590
Condenser.............................................. 636
Console box ............................................567
Console box light ..................................567
Cooling system Engine overheating ............................ 761
Cruise control Cruise control .........................................211
Dynamic radar cruise control ....... 215
C