2017 Lexus GS F Sound

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7-2. Steps to take in an emergency
7
When trouble arises
GS350_200t_GS F_OM_OM30F83E_(EE)
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Lexus emblem side of the
electronic key to the engine switch.
When the electronic key is detected, a
buzzer sounds and the engine switch
will turn to IGNITION ON mode.
When the smart entry & start system is
deactivated in customization setting, the
engine switch will turn to ACCESSORY
mode.
Firmly depress the brake pedal and check that and a message (GS F
only) are shown on the multi-information display.
Press the engine switch.
In the event that the engine still cannot be started, contact any authorized Lexus
retailer or Lexus authorized repairer, or any reliable repairer.
■Stopping the engine
Shift the shift lever to P and press the engine switch as you normally do when stopping
the engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the electronic
key battery be replaced immediately when the battery is depleted. ( P. 491)
■Alarm (if equipped)
Using the mechanical key to lock the doors or trunk will not set the alarm system.
If a door or trunk are unlocked using the me chanical key when the alarm system is set,
the alarm may be triggered. ( P. 92)
■Changing engine switch modes
Release the brake pedal and press the engine switch in step above.
The engine does not start and modes will be changed each time the switch is pressed. ( P. 241)
■When the electronic key does not work properly
●Make sure that the smart entry & start syst em has not been deactivated in the customi-
zation setting. If it is off, turn the function on.
(Customizable features: P. 634)
●Check if battery-saving mode is set. If it is set, cancel the function. (P. 174)
Starting the engine
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605
7-2. Steps to take in an emergency
7
When trouble arises
GS350_200t_GS F_OM_OM30F83E_(EE)
Start the engine and turn the air conditio ning system on to check that the radi-
ator cooling fans operate and to check for coolant leaks from the radiator or
hoses.
The fans operate when the air conditioning system is turned on immediately after a
cold start. Confirm that the fans are operating by checking the fan sound and air flow.
If it is difficult to check these, turn the air conditioning system on and off repeatedly.
(The fans may not operate in freezing temperatures.)
If the fans are not operating:
Stop the engine immediately and contact any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer.
If the fans are operating:
Have the vehicle inspected at the nearest any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer.
■When adding engine coolant (GS350/GS200t)
Add coolant in accordance with the following procedure.
Remove caps A and B.
Add engine coolant through the inlet of cap A up to the “[AR/GR] B” line, and then
install cap A.
Add engine coolant through the inlet of cap B until it is full, and then install cap B.
GS200t only: When installing cap B, apply c oolant to the O-ring on the end of cap B.
Cap A
Cap B
“[AR/GR] B” line (Target fill line)
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GS350 GS200t
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643
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8-2. Customization
Vehicle specifications
GS350_200t_GS F_OM_OM30F83E_(EE)
■Front seats (P. 196)
■Outside rear view mirrors ( P. 211)
■Power windows and moon roof * ( P. 214, 217)
* : If equipped
FunctionDefault
settingCustomized setting
Driver’s seat movement when
exiting the vehicleStandardOffO—OPartial
Selecting the door linking driv-
ing position memory with door
unlock operationDriver’s doorAll doors——O
123
FunctionDefaultsettingCustomized setting
Automatic mirror folding and
extending operation
Linked to the
locking/
unlocking of the
doorsOff
——OLinked to opera-
tion of the engine
switch
Linked mirror function when reversingOnOff——O
123
FunctionDefaultsettingCustomized setting
Mechanical key linked opera- tionOffOn——O
Wireless remote control linked operationOffOn——O
Buzzer sounds if operated
using wireless remote controlOnOff——O
123

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

659
Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Anti-lock Brake System (ABS) ....... 375
Function .................................................. 375
Warning light ........................................ 519
Warning message............................. 524
Approach warning ...................338, 350
Armrest.....................................................430
Armrest door.......................................... 433
ASC (Active Sound Control)........... 261
Ashtrays .................................................... 429
Assist grips .............................................. 434
Audio input *
Audio system *
Automatic headlight leveling system ................................................... 264
Automatic High Beam ....................... 270
Automatic light control system ...... 262
Automatic transmission ..................... 246 If the shift lever cannot be
shifted from P ................................... 253
M mode .................................................. 249
Paddle shift switches ........................ 248
AUX port *
Auxiliary boxes ...................................... 423
AVS (Adaptive Variable Suspension system) .......................... 376 Back-up light
Replacing light bulb ......................... 504
Battery....................................................... 466
If the vehicle has discharged battery.................................................. 597
Preparing and checking before winter.................................... 383
Warning light.........................................518
Blind Spot Monitor (BSM) .............. 363
Blind Spot Monitor function ........ 368
Rear Crossing Traffic Alert function ............................................... 370
Bluetooth ®
*
Brake Fluid .......................................................... 628
Parking brake ...................................... 256
Warning light............................ 518, 520
Warning message ............................ 524
Brake assist ............................................ 375
Brake Hold .............................................. 259
Break-in tips ........................................... 224
Brightness control Instrument panel li ght control ...........111
BSM (Blind Spot Monitor) ............... 363 Blind Spot Monitor function ........ 368
Rear Crossing Traffic Alert function.................................... 370B
*: Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.

662Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Double locking system ........................... 91
Drive info 1/Drive info 2/
Drive info 3 ................................. 126, 138 Drive information ...................... 122, 130
Resetting........................................ 122, 130
Drive-Start Control ..................223, 252
Driver’s seat position memory ......... 199 Driving position memory .............. 200
Memory recall function .................. 202
Power easy access system ............ 199
Driving ....................................................... 222 Break-in tips ......................................... 224
Correct driving posture .................... 44
Driving mode select switch ......... 358
Procedures ........................................... 222
Winter drive tips.................................383
Dynamic radar cruise control.......... 343 Function .................................................. 343
Warning message............................. 524
Dynamic radar cruise control with
full-speed range .................................. 331Function ....................................................331
Warning message............................. 524
DVD player *
Eco drive mode .................................... 358
Eco Driving Indicator ........................... 106
Eco Driving Indicator Light ................................................126, 137 Eco driving meter .................................... 113
Electric Power Steering (EPS) ....... 376
Function.................................................. 376
Warning light.........................................519
Warning message ............................ 524
Electronic key ..........................................154
Battery-saving function .................... 175
If the electronic key does not operate properly............................ 594
Replacing the battery ........................ 491
Emergency, in case of If a warning buzzer sounds ............518
If a warning light turns on ................518
If a warning message is
displayed ............................................ 524
If the battery is discharged ........... 597
If the electronic key does not operate properly............................ 594
If the engine will not start ...............590
If the parking brake cannot be released ....................................... 592
If you have a flat tire.............. 557, 573
If you think something is wrong ................................................ 516
If your vehicle becomes stuck ....608
If your vehicle has to be stopped in an emergency .........509
If your vehicle needs to
be towed ..............................................510
If your vehicle overheats................ 602
E

671
Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Smart entry & start system..................173
Antenna location.................................. 173
Entry functions............................159, 166
Starting the engine ............................240
Warning message............................. 524
Snow mode ............................................. 247
Snow tires................................................. 387
Spare tire .................................................. 557
Inflation pressure............................... 630
Storage location ................................ 558
Spark plug................................................ 625
Specifications .......................................... 612
Speech command system *
Speed indicator ........................................ 116
Speedometer ................................. 108, 113
Sport mode............................................. 358
Steering lock........................................... 242 Column lock release........................ 243
Steering lock system warning message............................................. 555
Steering wheel ....................................... 207 Adjustment ............................................ 207
Audio switches *
Heated steering wheel...................... 412
Power easy access system ............ 199
Steering wheel position
memory................................................ 199
Stop lights
Emergency brake signal ................ 376
Replacing light bulbs....................... 504
Storage feature....................................... 419
Storage precautions ............................. 419 Stuck
If the vehicle becomes stuck .......608
Sun visors ................................................. 428
Sun shade Rear ............................................................ 431
Rear door ................................................ 431
Roof ............................................................ 218
Switches
Adaptive High-beam System switch ................................................... 265
ASC (Active Sound Control) switch ..................................................... 261
Audio remote control switches *
Automatic High Beam switch....... 271
Brake Hold ........................................... 259
Cruise control
switch ............................ 331, 343, 355
Door lock switches............................. 162
Driving mode select switch.......... 358
Driving position memory
switches ................................................ 199
Dynamic radar cruise control
switch ................................................... 343
Emergency flashers switch.......... 508
Fog light switch....................................275
Heated steering wheel switch ...... 412
HUD (Head-up display) switches .................................................. 141
Ignition switch ..................................... 240
Lexus parking assist-sensor switch *
Light switch............................................262
LDA (Lane Departure Alert with steering control) switch.... 320
*: Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.