2014 Lexus GS250 heating

4235-5. Other interior features
5
Interior features
GS350_250_OM_OM30E16E_(EE)
■The seat heaters/seat ventilators can be used when
The engine switch is in IGNITION ON mode.
■Seat heater control (vehicles without automatic mode)
The seat heater automatically changes operations. If the engine switch is turned off
while the seat heater is operating, the starting operation of the heater differs
depending on the amount of time that elapses before it is turned back on.
■Automatic operation of the seat heater during Eco drive mode
If the driving mode select switch is switched to Eco drive mode in cold temperatures,
the seat heater may be automatically operated to assist heating performance.
■Automatic operation during S-FLOW mode
The front seat heater and ventilator or the rear seat heater may automatically turn off
when S-FLOW mode is turned on during automatic mode. (→P. 3 8 4 )
Current operation
Starting operation mode and amount of time elapsed
until engine switch in IGNITION ON mode
0 to 15 minutesOver 15 minutes
HiHiHi
MidMidHi
LoLoHi
GS350_250_OM_OM30E16E_(EE).book Page 423 Tuesday, July 8, 201 4 7:11 PM

4245-5. Other interior features
GS350_250_OM_OM30E16E_(EE)
■Button lock function (vehicles with rear control panel)
To prevent inadvertent operation, some buttons on the rear armrest can be locked.
(→ P. 3 9 5 )
■When the switch is disabled (vehicles with rear control panel)
When the rear control panel switch cannot be operated even though the button lock
function is released, check whether the switch is disabled due to selecting
on Remote Touch screen. ( →P. 383)
■Rear control panel illumination off function (vehicles with rear control panel)
Control panel illumination on the rear armrest can be turned off. ( →P. 3 9 5 )
■Customization
The automatic operation of the front seat heaters (without seat ventilators) and the
automatic mode settings for the front seat heaters and ventilators or the rear seat
heaters can be changed. (Customizable features: →P. 6 5 7 )
CAUTION
■Burns (vehicles with seat heaters)
●Use caution when seating the following persons in a seat with the seat heater on
to avoid the possibility of burns:
• Babies, small children, the elderly, the sick and the physically challenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping drugs,
cold remedies, etc.)
●Do not cover the seat with anything when using the seat heater.
Using the seat heater with a blanket or cushion increases the temperature of the
seat and may lead to overheating.
●Do not use seat heater more than necessary. Doing so may cause minor burns or
overheating.
GS350_250_OM_OM30E16E_(EE).book Page 424 Tuesday, July 8, 201 4 7:11 PM

5697-2. Steps to take in an emergency
7
When trouble arises
GS350_250_OM_OM30E16E_(EE)
Wa r n i n g m e s s a g eDetailsCorrection procedure
(If equipped)
Indicates that the pre-
crash safety system is not
currently functional
because the grille cover
or the sensor is dirtyThis message also
appears when the pre-
crash safety system is
not functional due to
overheating.
• Check the grille coverand the sensor and
clean them if they are
dirty.
• In case of overheating, the system will become
functional once the sys-
tem cools down.
Indicates that operation
of large electricity con-
suming systems such as
the air conditioning sys-
tem are suspended
Stop using unnecessary
electric components to
reduce electricity con-
sumption until the warn-
ing message disappears.If the warning message
is displayed frequently,
have the vehicle
inspected by any
authorized Lexus
dealer or repairer, or
another duly qualified
and equipped profes-
sional.
(Flashes)
(Flashes)
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625
7
7-2. Steps to take in an emergency
When trouble arises
GS350_250_OM_OM30E16E_(EE)
If your vehicle overheats
Stop the vehicle in a safe place and turn off the air conditioning system,
and then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled down sufficiently, inspect the hoses and
radiator core (radiator) for any leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact any autho-
rized Lexus dealer or repairer, or
another duly qualified and
equipped professional.
The following may indicate that your vehicle is overheating.
●The needle of the engine coolant temperature gauge ( →P. 99)
enters the red zone or a loss of engine power is experienced. (For
example, the vehicle speed does not increase.)
●Steam is coming from under the hood.
Correction procedures
1
2
3
1
2
GS350_250_OM_OM30E16E_(EE).book Page 625 Tuesday, July 8, 201 4 7:11 PM

674Alphabetical index
GS350_250_OM_OM30E16E_(EE)
Card key.....................................................122
Care ............................................... 436, 440Aluminum wheels .............................. 437
Exterior....................................................436
Interior .....................................................440
Seat belts ..................................................441
Cargo hooks...........................................409
CD player
*
Chains ....................................................... 356
Child restraint system ............................ 59 Baby seats, definition ..........................60
Baby seats, installation ......................... 71
Child seats, definition..........................60
Child seats, installation......................... 71
Installing CRS with ISOFIX
rigid anchors.........................................74
Installing CRS with seat belts............ 71
Installing CRS with top strap .......... 75
Junior seats, definition ........................60
Junior seats, installation ..................... 73 Child safety ................................................ 58
Airbag precautions .............................. 47
Battery precautions.............. 464, 624
Child restraint system ........................ 59
How your child should wear the seat belt....................... 39, 41
Installing child restraints .....................70
Moon roof precautions ...................... 211
Power window lock switch .......... 204
Power window precautions......... 207
Rear door child-protectors ............ 172
Removed electronic key battery precautions......................... 491
Seat belt comfort guide..................... 39
Seat belt precautions...........................43
Seat heater precautions ...................418
Trunk precautions .............................. 178
Child-protectors ....................................... 172
Cleaning........................................436, 440 Aluminum wheels...............................437
Exterior ................................................... 436
Interior..................................................... 440
Seat belts ................................................. 441
Clock ...........................................................413
Coat hooks................................................431
Condenser ...............................................461
Console box ........................................... 405
Console box light ................................. 405
Cooling system ..................................... 459 Engine overheating .......................... 625
C
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676Alphabetical index
GS350_250_OM_OM30E16E_(EE)
Eco drive mode ...................................... 315
Eco Driving Indicator .................. 108, 112
Electric Power Steering (EPS)......... 321Function .................................................... 321
Warning light .......................................546
Warning message.............................557
Electronic key...........................................122
Battery-saving function.....................133
If the electronic key does not operate properly ............................. 618
Replacing the battery...................... 489
Emergency, in case of If a warning buzzer sounds .......... 544
If a warning light turns on...............544
If a warning message is
displayed ............................................552
If the battery is discharged ..............621
If the electronic key does not operate properly ............................. 618
If the engine will not start .................612
If the parking brake cannot be released......................................... 615
If the shift lever cannot be
shifted from P .....................................614
If you have a flat tire .............. 577, 592
If you think something is wrong............................................... 542
If your vehicle becomes stuck.....628
If your vehicle has to be stopped in an emergency..........535
If your vehicle needs to
be towed.............................................536
If your vehicle overheats ................625 Emergency brake signal......................321
Emergency flashers............................. 534
Emergency tire puncture
repair kit ................................................ 592
Engine ....................................................... 634 Accessory mode ............................... 238
Compartment ..................................... 454
Engine switch .......................................237
Hood ....................................................... 450
How to start the engine ..................237
Identification number....................... 633
If the engine will not start ................. 612
Ignition switch (engine switch)................................. 237
Overheating ........................................ 625
Engine compartment cover ............. 455
Engine coolant....................................... 459 Capacity................................................. 642
Checking ............................................... 459
Preparing and checking
before winter.................................... 354
Engine coolant temperature
gauge ........................................................ 99
Engine immobilizer system ................. 80
Engine oil ................................................. 456 Capacity................................................. 635
Checking ............................................... 456
Oil level warning message........... 562
Oil pressure warning message ............................................. 553
Preparing and checking before winter.................................... 354
E
GS350_250_OM_OM30E16E_(EE).book Page 676 Tuesday, July 8, 201 4 7:11 PM

681Alphabetical index
GS350_250_OM_OM30E16E_(EE)
nanoe system......................................... 389
Navigation system
*
Odometer................................................... 99
OilEngine oil ...............................................635
Front differential oil ...........................644
Rear differential oil.............................644
Opener Hood ....................................................... 450
Trunk ..........................................................175
Outer foot lights
Location..................................................399
Replacing light bulbs........................ 526
Wattage.................................................. 647
Outside rear view mirrors ................. 199
Adjusting and folding........................ 199
BSM (Blind Spot Monitor) .............341
Linked mirror function when reversing................................. 201
Mirror position memory.................. 186
Outside rear view mirror defoggers ..........................................396
Outside temperature display ........... 103
Overheating, Engine...........................625 Paddle shift switches ............................247
Parking assist sensors
*
Parking brake......................................... 255
If the parking brake cannot be released .........................................615
Operation ............................................. 255
Parking brake engaged warning buzzer................................. 561
Parking brake engaged
warning message ............................ 561
PCS
(Pre-Crash Safety system)............ 330Function.................................................. 330
PCS OFF switch.................................. 331
Warning light....................................... 546
Warning message ... 554, 563, 569
Personal lights........................................400
Pollen removal mode.......................... 384
Power easy access system ................ 186
Power outlets ...........................................415
Power steering ........................................321
Warning light....................................... 546
Warning message ............................ 557
Power trunk lid ........................................ 175
Power windows ..................................... 204 Door lock linked window operation............................................ 206
Jam protection function ................. 205
Operation ............................................. 204
Window lock switch ........................ 204
N
O
P
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
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