2015 Lexus GS F warning light

5437-2. Steps to take in an emergency
7
When trouble arises
GS350_200t_GS F_OM_OM30E87E_(EE)
(If equipped)
Indicates that the fuel injectors require maintenance
→Have any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional
replenish the injector cl eaner and reset the mes-
sage.
(If equipped)
Indicates that the Automatic High Beam switch was
pressed while the low beams were on
→ Turn the high beam headlights on before pressing
the automatic high beam switch.
(If equipped)
Indicates that the Adaptive High-beam System switch
was pressed while the low beams were on
→Turn the high beam headlights on before pressing
the adaptive high beam switch.
(If equipped)
Indicates that, since the VSC (Vehicle Stability Control)
system was turned off, the pre-crash braking and pre-
crash brake assist are stopped (The pre-crash warning
function will be operational)
→Tu r n t h e V S C o n . ( →P. 377)
Wa r n i n g m e s s a g eDetails/Actions

5497-2. Steps to take in an emergency
7
When trouble arises
GS350_200t_GS F_OM_OM30E87E_(EE)

Power was turned off due to the
automatic power off function.
→Next time when starting the
engine, increase the engine
speed slightly and maintain that
level for approximately 5 min-
utes to recharge the battery.
OnceThe electronic key has a low battery.
→Replace the electronic key bat-
tery. ( →P. 4 8 5 )
Once
The driver’s door was opened and
closed with the engine switch turned
off and then the engine switch was
put in ACCESSORY mode twice
without the engine being started.
→ Press the engine switch while
depressing the brake pedal.
During an engine starting proce-
dure in the event that the electronic
key was not functioning properly
(→ P. 589), the engine switch was
touched with the electronic key.
→ Press the engine switch within
10 seconds of the buzzer sound-
ing.
Once
The steering lock could not be
released within 3 seconds of the
engine switch being pressed.
→Press the engine switch while
depressing the brake pedal and
moving the steering wheel left
and right.
Interior
buzzerExteriorbuzzerWarning messageDetails/Actions
(GS350/GS200t)
(GS F)
(Flashes)

5637-2. Steps to take in an emergency
7
When trouble arises
GS350_200t_GS F_OM_OM30E87E_(EE)
Firmly tighten each wheel nut two or
three times in the order shown in the
illustration.
Tightening torque:
103 N•m (10.5 kgf•m, 76 ft•lbf)
Vehicles with a full-size spare tire:
Reinstall the wheel ornament.
Stow the flat tire, tire jack and all tools.
■The spare tire (GS350/GS200t with compact spare tire, and GS F)
●GS350/GS200t: The spare tire is identified by the label “TEMPORARY USE ONLY”
on the tire sidewall.
●Use the spare tire temporarily, and only in an emergency.
●Make sure to check the tire inflation pressure of the spare tire. (→P. 6 2 3 )
■When using the spare tire* (vehicles with the tire pressure warning system)
As the spare tire is not equipped with a tire pressure warning valve and transmitter, low
inflation pressure of the spare tire will not be indicated by the tire pressure warning sys-
tem. Also, if you replace the spare tire after the tire pressure warning light comes on, the
light remains on.
*: GS350/GS200t with compact spare tire, and GS F
■When the spare tire is equipped (GS350/G S200t with compact spare tire, and GS F)
The vehicle may become lower when driving with the spare tire compared to when driv-
ing with standard tires.
■If you have a flat rear tire on a road covered with snow or ice (vehicles with front and
rear tires of the same size and compact spare tire only)
Install the compact spare tire on one of the front wheels of the vehicle. Perform the fol-
lowing steps and fit tire chains to the rear tires: Replace a front tire with the compact spare tire.
Replace the flat rear tire with the tire removed from the front of the vehicle.
Fit tire chains to the rear tires.
4
5
6
1
2
3

5807-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E87E_(EE)
■After a tire is repaired with the emergency tire puncture repair kit
●The tire pressure warning valve and transmitter should be replaced.
●Vehicles with the tire pressure warning system: Even if the tire inflation pressure is at the
recommended level, the tire pressure warning light may come on/flash.
■Note for checking the emergency tire puncture repair kit
Check the sealant expiry date occasionally.
The expiry date is shown on the bottle.
Do not use sealant whose expiry date has already passed. Otherwise, repairs conducted
using the emergency tire puncture repair kit may not be performed properly.
WA R N I N G
■Caution while driving
Observe the following precautions.
Failure to do so may cause an accident.
●The emergency tire puncture repair kit is made exclusively for your vehicle. Do not
use it on other vehicles.
●Do not use the emergency tire puncture repair kit for tires that are a different size
than the specified ones or for any other purpose. Doing so may cause the tires to not
be repaired properly.
■Precautions for use of the sealant
●Ingesting the sealant is hazardous to your health. If you ingest sealant, consume as
much water as possible, and then immediately consult a doctor.
●If sealant gets in eyes or adheres to skin, i mmediately wash it off with water. If discom-
fort persists, consult a doctor.

629
8
8-2. Customization
Vehicle specifications
GS350_200t_GS F_OM_OM30E87E_(EE)
Some function settings are changed simu
ltaneously with other functions being
customized. Contact any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional.
Settings that can be changed using the Remote Touch
Settings that can be changed using the meter control switches
Settings that can be changed by any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional
Definition of symbols: O = Available, — = Not available
■Meters and multi-information display ( →P. 121, 129)
XGS350/GS200t
Customizable features
1
2
3
FunctionDefault
settingCustomized setting
Speed warning Off On — O —
Speed warning setting 30 km/h
(20 mph) 30 to 260 km/h
(20 to 160 mph)
—O—
Language*1English
French
—O—
German
Spanish
Italian
Russian
Units*1km (L/100 km)km (km/L)OO—miles (MPG)
Eco Driving Indicator Light On
(self-lighting) Off — O —
switch settingsDrive
information 1Desired status screen
*2—O—
Drive information screen dis-
played on the first screen of
(Drive information 1)
Current fuel
consumption
*3—O—Average fuel economy
(after reset)
123

648What to do if... (Troubleshooting)
GS350_200t_GS F_OM_OM30E87E_(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. 2 1 3 )
●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. 2 4 1 )
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( →P. 5 1 4 )
●The parking brake indicator is on
Is the parking brake released? ( →P. 2 5 4 )
Depending on the situation, other types of warning buzzer may also sound.
( → P. 5 1 2 , 5 1 8 )
●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. 9 2 )
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. 5 1 8 )
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)

649What to do if... (Troubleshooting)
GS350_200t_GS F_OM_OM30E87E_(EE)
●When a warning light turns on or a warning message is displayed, refer to
P. 5 1 2 , 5 1 8 .
●Vehicles with spare tire
Stop the vehicle in a safe place and replace the flat tire with the spare tire.
( → P. 5 5 1 )
●Vehicles without spare tire
Stop the vehicle in a safe place and repair the flat tire temporarily with the
emergency tire puncture repair kit. ( →P. 5 6 7 )
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or snow.
(→ P. 6 0 2 )
A warning light turns on or a warning message is displayed
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

650Alphabetical index
GS350_200t_GS F_OM_OM30E87E_(EE)
Alphabetical index
A/C ............................................................ 394Air conditioning filter........................483
Changing the rear seat settings.................................................. 401
Front automatic air
conditioning system ...................... 394
nanoe™ system ..................................404
Pollen removal mode ..................... 400
Rear air conditioning system ...... 406
S-FLOW mode..................................395
ABS (Anti-lock Brake System) ....... 374
Function .................................................. 374
Warning light ........................................ 513
Warning message.............................. 518
Active Sound Control (ASC).......... 259
Adaptive Front-lighting System (AFS) ...................................................... 261
Adaptive Variable Suspension system (AVS) ...................................... 375
AFS (Adaptive Front-lighting System) ................................................... 261
AHS (Adaptive High-beam System) .................................................. 263
Air conditioning filter ..........................483
Air conditioning system ..................... 394 Air conditioning filter........................483
Changing the rear seat settings.................................................. 401
Front automatic air
conditioning system ...................... 394
nanoe™ system ..................................404
Pollen removal mode ..................... 400
Rear air conditioning system ...... 406
S-FLOW mode..................................395 Airbags ..........................................................51
Airbag manual on-off system........... 61
Airbag operating conditions ...........57
Airbag precautions for
your child .............................................. 53
Airbag warning light .......................... 512
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........................ 512, 518
Anchor brackets .......................................76
Antennas (smart entry & start system) .........................................173
A