2012 Lexus GS350 heating

6335-7. Other interior features
5
Interior features
GS350/250_EE (OM30C36E)
The seat heaters/seat ventilators can be used when
The engine switch is in IGNITION ON mode.
The seat heater timer control
The seat heater automatically switches from HiMidLoOff. The
switching timing differs depending on the temperature inside the cabin etc.
when the seat heater was operated.
Automatic operation of the seat heater during Eco drive mode
If the driving mode select switch is switched to Eco drive mode in cold tem-
peratures, the seat heater may be automatically operated to assist heating per-
formance.
Button lock function (vehicles with rear control panel)
To prevent inadvertent operation, some buttons on the rear armrest can be
locked. (P. 429)
Rear control panel illumination off function (vehicles with rear control panel)
Control panel illumination on the rear armrest can be turned off. (P. 429)
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 chal-
lenged
• 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.

7747-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)After taking the specified steps to correct the suspected problem,
check that the warning message and light go off.
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 dirty
This message also
appears when the
pre-crash safety sys-
tem is not functional
due to overheating.Check the grille cover
and the sensor and
clean them if they are
dirty.
In case of overheat-
ing, the system will
become functional
once the system
cools down.
Have the malfunction repaired immediately.
(Flashes)
Inte-
rior
buzzerExterior
buzzerWarning messageDetailsCorrection
procedure
Once
The electronic
key is not
detected when an
attempt is made to
start the engine.Start the
engine
with the
electronic
key pres-
ent.
(Flashes)

8317-2. Steps to take in an emergency
7
When trouble arises
GS350/250_EE (OM30C36E)Add engine coolant if neces-
sary.
Water can be used in an emergency
if engine coolant is unavailable.
(P. 847)
Have the vehicle inspected at the nearest authorized Lexus dealer
or repairer, or another duly qualified and equipped professional as
soon as possible.
Overheating
If you observe the following, your vehicle may be overheating:
The engine coolant temperature gauge enters the red zone or a loss of power
is experienced.
Steam comes out from under the hood.
5
CAUTION
When inspecting under the hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
If steam is seen coming from under the hood, do not open the hood until
the steam has subsided. The engine compartment may be very hot.
Keep hands and clothing away from the fans, etc. while the engine is oper-
ating.
Do not loosen the radiator cap while the
engine and radiator are hot.
High temperature steam or coolant
could spray out.

878Alphabetical index
GS350/250_EE (OM30C36E)
Brake assist ...............................333
Break-in tips .............................189
Brightness control
Instrument panel light control ....
100
BSM (Blind Spot Monitor) .......354
Card key ....................................118
Care ...................................644, 648
Aluminum wheels.................645
Exterior .................................644
Interior ..................................648
Seat belts...............................649
Cargo hooks ..............................621
CD player ..................................467
Chains ........................................361
Child restraint system ..................59
Baby seats, definition .............59
Baby seats, installation ...........70
Child seats, definition .............59
Child seats, installation...........70
Installing CRS with ISOFIX
rigid anchors.........................73
Installing CRS with seat belts 70
Installing CRS with top strap .74
Junior seats, definition ............59
Junior seats, installation .........72Child safety................................. 58
Airbag precautions................. 47
Battery precautions ...... 670, 828
Child restraint system ............ 59
How your child should
wear the seat belt ........... 39, 41
Installing child restraints ....... 69
Moon roof precautions......... 184
Power window lock switch .. 178
Power window precautions.. 180
Rear door child-protectors ... 147
Removed electronic key
battery precautions ............ 699
Seat belt comfort guide .......... 39
Seat belt precautions .............. 43
Seat heater precautions ........ 630
Trunk precautions ............... 153
Child-protectors ....................... 147
Cleaning............................ 644, 648
Aluminum wheels ................ 645
Exterior ................................ 644
Interior ................................. 648
Seat belts .............................. 649
Clock ........................................ 625
Coat hooks ................................ 640
Condenser ................................ 667
Console box .............................. 617
Console box light...................... 617
Cooling system ......................... 665
Engine overheating .............. 830
C

880Alphabetical index
GS350/250_EE (OM30C36E)
Eco drive mode .........................328
Eco Driving Indicator ........109, 114
Electric Power Steering (EPS) ..334
Function ................................334
Warning light........................751
Warning message..................762
Electronic key............................118
Battery-saving function ........129
If the electronic key does not
operate properly .................822
Replacing the battery ............697
Emergency, in case of
If the battery is discharged ...825
If the electronic key does not
operate properly .................822
If the engine will not start.....816
If the parking brake cannot
be released ..........................819
If the shift lever cannot be
shifted from P .....................818
If the warning buzzer sounds749
If the warning light turns on .749
If the warning message is
displayed ............................757
If you have a flat tire ....783, 798
If you think something
is wrong ..............................747
If your vehicle becomes stuck ....
833
If your vehicle has to be
stopped in an emergency ....739
If your vehicle needs to
be towed .............................740
If your vehicle overheats ......830Emergency brake signal ........... 334
Emergency flashers .................. 738
Emergency tire puncture
repair kit ................................. 798
Engine....................................... 838
Accessory mode................... 208
Compartment ....................... 660
Engine switch ...................... 207
Hood .................................... 657
How to start the engine ........ 207
Identification number .......... 837
If the engine will not start .... 816
Ignition switch
(engine switch) .................. 207
Overheating ......................... 830
Engine compartment cover....... 661
Engine coolant .......................... 665
Capacity ............................... 847
Checking .............................. 665
Preparing and checking
before winter ..................... 359
Engine coolant temperature
gauge ........................................ 99
Engine immobilizer system ........ 80
Engine oil ................................. 662
Capacity ............................... 839
Checking .............................. 662
Oil level warning message... 766
Oil pressure warning
message ............................. 758
Preparing and checking
before winter ..................... 359
E

885Alphabetical index
GS350/250_EE (OM30C36E)
“nanoe” system..........................423
Navigation system
*
Odometer .....................................99
Oil
Engine oil .............................839
Front differential oil .............849
Rear differential oil...............849
Opener
Hood .....................................657
Trunk ....................................150
Outer foot lights
Location ................................611
Replacing light bulbs ............731
Wattage .................................853
Outside rear view mirrors..........174
Adjusting and folding ...........174
BSM (Blind Sport Monitor) .354
Linked mirror function
when reversing ...................176
Mirror position memory .......162
Outside rear view mirror
defoggers ...........................430
Outside temperature display ......104
Overheating, Engine ..................830Paddle shift switches ................ 218
Parking assist sensors ............... 284
Parking brake............................ 225
If the parking brake cannot
be released ......................... 819
Operation ............................. 225
Parking brake engaged
warning buzzer .................. 765
Parking brake engaged
warning message ............... 765
PCS
(Pre-Crash Safety system)...... 343
Function ............................... 343
PCS OFF switch .................. 344
Warning light ....................... 751
Warning message. 759, 767, 774
Personal lights .......................... 612
Pollen removal mode ................ 419
Power easy access system ........ 166
Power outlets ............................ 627
Power steering .......................... 334
Warning light ....................... 751
Warning message................. 762
Power trunk lid ......................... 150
Power windows ........................ 178
Door lock linked window
operation............................ 180
Jam protection function ....... 179
Operation ............................. 178
Window lock switch ............ 178
N
O
P
*: For vehicles with a navigation system, refer to the
“Navigation System Owner’s Manual”.