stop start Lexus GS F 2017 Owner's Guide

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7When trouble arises
GS350_200t_GS F_OM_OM30F83E_(EE)
7-1. Essential informationEmergency flashers ................. 508
If your vehicle has to be stopped
in an emergency ..................... 509 7-2. Steps to take in an
emergency
If your vehicle needs to be towed................................. 510
If you think something is wrong........................................ 516
Fuel pump shut off system ........517
If a warning light turns on or a warning buzzer
sounds........................................... 518
If a warning message is displayed ................................ 524
If you have a flat tire (vehicles with spare tire) ......................... 557
If you have a flat tire (vehicles without spare tire)................... 573
If the engine will not start ........590
If the parking brake cannot be released................. 592
If the electronic key does not operate properly ..................... 594
If the vehicle battery is discharged ............................. 597
If your vehicle overheats ......... 602
If the vehicle becomes stuck .........................608

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7-2. Steps to take in an emergency
When trouble arises
GS350_200t_GS F_OM_OM30F83E_(EE)
Fuel pump shut off system
Follow the procedure below to restart the engine after the system is activated.Turn the engine switch to ACCESSORY mode or turn it off.
Restart the engine.
To minimize the risk of fuel leakage when the engine stalls or when an airbag
inflates upon collisio n, the fuel pump shut off system stops the supply of fuel to
the engine.
NOTICE
■Before starting the engine
Inspect the ground under the vehicle.
If you find that fuel has leaked onto the ground, the fuel system h as been damaged and
is in need of repair. Do not restart the engine.
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7-2. Steps to take in an emergency
7
When trouble arises
GS350_200t_GS F_OM_OM30F83E_(EE)
(If equipped)
Indicates that the tire in flation pressure is low
 Check the tire inflation pressure, and adjust to the
appropriate level.
(If equipped)
Indicates a malfunction in th e tire pressure warning sys-
tem  Stop the vehicle in a safe place and turn the engine
switch off then on again. If the tire pressure warning
indicator flashes for 1 minute then illuminates, there
is a malfunction in the system. Have the vehicle
inspected by any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer.
(If equipped)
Indicates that the tire position information cannot be rec- ognized Drive for a short while and check if the display
updates.
If the radio wave conditio ns improve, the display
may return to normal. If the tire pressure is still not
displayed after driving for several minutes, stop the
vehicle in a safe place, turn the engine switch off
then on again, and start driving. If the tire pressure is
still not displayed even after repeating this process
several times, Have the vehicle inspected by any
authorized Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
Warning messageDetails/Actions

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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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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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6087-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30F83E_(EE)
If the vehicle becomes stuck
Stop the engine. Set the parking brake and shift the shift lever to P.
Remove the mud, snow or sand from around the rear wheels.
Place wood, stones or some other material under the rear wheels to help pro-
vide traction.
Restart the engine.
Shift the shift lever to D or R and rele ase the parking brake. Then, while exer-
cising caution, depress the accelerator pedal.
■When it is difficult to free the vehicle
Carry out the following procedures if the tires spin or the vehicle becomes
stuck in mud, dirt or snow:
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Press to turn off TRC. ( P. 377)GS350/GS200t

655
What to do if... (Troubleshooting)
GS350_200t_GS F_OM_OM30F83E_(EE)
● The function to prevent the electronic ke y from being left inside the trunk will
operate and you can open the trunk as usual. Take the key out from the trunk. (  P. 168)
● Did you press the engine switch while firmly depressing the brake pedal?
(  P. 240)
● Is the shift lever in P? ( P. 242)
● Is the electronic key anywhere detectable inside the vehicle? ( P. 173)
● Is the steering wheel unlocked? ( P. 242)
● Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. ( P. 595)
● Is the battery discharged? ( P. 597)
● 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. 253)
● It is locked automatically to prevent theft of the vehicle. ( P. 242)
The trunk lid is closed with the electronic key left inside
If you think som
ething is wrong
The engine does not start
The shift lever cannot be shifted fr om P even if you depress the brake
pedal
The steering wheel cannot be turned after the engine is stopped

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)

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

663
Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Emergency brake signal .................... 376
Emergency flashers ............................ 508
Emergency tire puncture
repair kit ................................................ 573
Engine......................................................... 616 Accessory mode.................................. 241
Compartment...................................... 454
Engine switch....................................... 240
Hood ..........................................................451
How to start the engine .................. 240
Identification number ........................ 615
Ignition switch
(engine switch) ................................ 240
Overheating .........................................602
Engine compartment cover ............. 457
Engine coolant ....................................... 464 Capacity ................................................. 625
Checking ............................................... 464
Preparing and checking before winter ....................................383
Engine coolant temperature gauge.............................................. 108, 113
Engine oil.................................................. 459 Capacity .................................................. 618
Checking ...............................................459
Oil level warning message ........... 524
Oil pressure warning message.............................................. 524
Preparing and checking before winter ....................................383 Engine switch ......................................... 240
Auto power off function ..................242
Changing the engine switch modes.................................................... 241
If your vehicle has to be stopped in an emergency .........509
Starting the engine............................ 240
EPS (Electric Power Steering) ....... 376
Function.................................................. 376
Warning light.........................................519
Warning message ............................ 524
Expert mode........................................... 378
First-aid kit storage net ...................... 425
Flat tire
Vehicles with spare tire.................. 557
Vehicles without spare tire........... 573
Floor mats ................................................... 42
Fluid Automatic transmission.................. 626
Brake ....................................................... 628
Washer ................................................... 470
Fog lights .................................................. 275
Replacing light bulbs ....................... 504
Switch .......................................................275
Follow me home system .................... 263
Footwell light ............................................416
Front air conditioning system .......... 396
Front fog lights ....................................... 275 Replacing light bulbs ....................... 504
Switch .......................................................275
F
*: Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.