2017 Lexus GS200t alarm

656What to do if... (Troubleshooting)
GS350_200t_GS F_OM_OM30F83E_(EE)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( P. 214)
● The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( P. 242)
● The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( P. 520)
● The parking brake indicator is on
Is the parking brake released? ( P. 256)
Depending on the situation, other type s of warning buzzer may also sound.
(  P. 518, 524)
● Did anyone inside the vehicle open a door or anything move inside the vehicle
during setting the alarm?
The sensor detects them and the alarm sounds. ( P. 92)
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine. ● Is the electronic key left inside the vehicle or the moon roof opened (if
equipped)?
Check the message on the multi-information display. ( P. 524)
The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and th
e horn sounds (if equipped)
A warning buzzer sounds when leaving the vehicle
(vehicles with entry function)

658Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Alphabetical index
A/C ............................................................ 396
Air conditioning filter....................... 489
Changing the rear seat settings.................................................403
Front automatic air
conditioning system ......................396
nanoe™ system ................................. 406
Pollen removal mode ...................... 402
Rear air conditioning system ...... 408
S-FLOW mode.................................. 397
ABS (Anti-lock Brake System) ....... 375
Function .................................................. 375
Warning light ........................................ 519
Warning message............................. 524
Active Sound Control (ASC)........... 261
Adaptive Front-lighting System (AFS) ..................................................... 263
Adaptive Variable Suspension system (AVS) ...................................... 376
AFS (Adaptive Front-lighting System) .................................................. 263
AHS (Adaptive High-beam System) .................................................. 265
Air conditioning filter ..........................489
Air conditioning system ..................... 396 Air conditioning filter....................... 489
Changing the rear seat settings.................................................403
Front automatic air
conditioning system ......................396
nanoe™ system ................................. 406
Pollen removal mode ...................... 402
Rear air conditioning system ...... 408
S-FLOW mode.................................. 397 Airbags ..........................................................51
Airbag manual on-off system........... 61
Airbag operating conditions ...........57
Airbag precautions for
your child .............................................. 53
Airbag warning light ..........................518
Correct driving posture.....................44
Curtain shield airbag operating
conditions ..............................................57
Curtain shield airbag
precautions .......................................... 55
General airbag precautions ........... 53
Locations of airbags ............................. 51
Modification and disposal of
airbags.................................................... 56
Side airbag operating
conditions ..............................................57
Side airbag precautions .................... 53
Side and curtain shield airbags operating conditions ........................57
Side and curtain shield airbags precautions .......................................... 53
SRS airbags ............................................... 51
Airbag manual on-off system ............... 61
Alarm ............................................................ 92 Alarm ...........................................................92
Warning buzzer...................... 518, 524
Anchor brackets .......................................76
Antennas (smart entry & start system) ......................................... 173
A

672Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
LKA (Lane-Keeping Assist)
switch....................................................... 311
Meter control switches .......... 122, 130
Moon roof switches ........................... 217
Outside rear view mirror switches...................................................211
Paddle shift switches ........................ 248
Parking brake switches................... 256
Power door lock switch ...................162
Power window switches .................. 214
Rear sunshade switch........................431
Rear window and outside rear view mirror defoggers
switch.................................................... 402
Seat heater switches .......................... 412
Seat ventilator switches .................... 412
Snow mode switch ........................... 247
Talk switch *
Telephone switches *
Tilt and telescopic steering
control switch................................... 207
Tire pressure warning reset
switch.................................................... 474
Trunk closer switch .............................167
Trunk opener switch ......................... 166
Trunk opener main switch ............. 168
TVD (Torque Vectoring Differential) switch ......................... 373
Vehicle-to-vehicle distance button ....................................... 337, 349
VSC OFF switch ............................... 377
Window lock switch........................... 214
Windshield wipers and washer switch ......................... 276 Tachometer .....................................108, 113
Variable red zone ................................ 118
Tail lights................................................... 262
Light switch............................................262
Replacing light bulbs ....................... 504
Welcome light illumination control ...................................................160
Talk switch *
Telephone switches *
Theft deterrent system Alarm ...........................................................92
Double locking system ........................ 91
Engine immobilizer system ............. 86
Intrusion sensor and tilt sensor...... 95
Tire inflation pressure ......................... 485
Maintenance data ............................. 629
Tire inflation pressure display function ................................................473
Warning light......................................... 521
Warning message ............................ 524
Tire pressure warning system ......... 473
Function...................................................473
Initializing ................................................473
Installing tire pressure warning valves and transmitters ................473
Registering ID codes........................474
Warning light......................................... 521
Warning message ............................ 524T