heater Lexus GS350 2017 User Guide

4145-2. Using the air conditio ning system and defogger
GS350_200t_GS F_OM_OM30F83E_(EE)
■Seat ventilators (without seat heaters) (if equipped)
Seat ventilator switches
Level indicator lights
The seat ventilator fan speed level is
displayed.
● Modes and indicators
The mode changes each time the switch is pressed as follows:
1
2
ModeLevel indicator lights
OffOff
Hi3
Mid2
Lo1

415
5-2. Using the air conditioning system and defogger
5
Interior features
GS350_200t_GS F_OM_OM30F83E_(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 operatio ns. 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. 397)
■Button lock function (vehicle s with rear control panel)
To prevent inadvertent operation, some bu ttons on the rear armrest can be locked.
(  P. 410)
■When the switch is disabled (v ehicles with rear control panel)
When the rear control panel switch cannot be operated even though the button lock
function is released, check whether the sw itch is disabled due to selecting on
Remote Touch screen. ( P. 403)
■Rear control panel illumination off function (vehicles with rear control panel)
Control panel illumination on the rear armrest can be turned off. ( P. 410)
■Customization
The automatic operation of the front seat heaters (without seat ventilators) and the auto-
matic mode settings for the front seat heaters and ventilators or the rear seat heaters can
be changed. (Customizable features: P. 647)
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

5507-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30F83E_(EE)
(If equipped)
Indicates that the PCS (Pre-Crash Safety system) is tem-
porarily unavailable
A buzzer also sounds.
 When conditions improve, the system resumes
operation. If this item is displayed continuously, have
the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Air conditioning, heater and other operations are tem-
porarily limited due to high power consumption Turn off unnecessary electronic equipment to
reduce power consumption. Please wait until the
power supply returns to normal.
If this item is frequently displayed, have the vehicle
inspected at your any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer
immediately.
(If equipped)
Indicates that part of the PC S (Pre-Crash Safety system)
sensor is dirty, covered with ice, etc.
A buzzer also sounds.
 Remove any dirt, ice, etc.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)

6468-2. Customization
GS350_200t_GS F_OM_OM30F83E_(EE)
■Automatic air conditioning system (P. 396)
■Front seat heaters (without seat ventilators) * ( P. 413)
* : If equipped
FunctionDefault
settingCustomized setting
Switching between outside air
and recirculated air mode
linked to “AUTO” switch * oper-
ation
OnOffO—O
A/C Auto switch operationOnOffO—O
Exhaust gas sensor sensitivityStandard-3 to 3O—O
* : This is the switch for turning on and off the auto-
matic mode of the air conditioning system, not
the outside air or recirculated mode switch.
123
FunctionDefaultsettingCustomized setting
Automatic operation of front
seat heaterOffOn——O
123

647
8
8-2. Customization
Vehicle specifications
GS350_200t_GS F_OM_OM30F83E_(EE)
■Front seat heaters and ventilators*1
/rear seat heaters *2
( P. 412)
* 1
: If both are equipped
* 2
:If equipped
FunctionDefault
settingCustomized setting
Adjustment of the front seat
heater temperature or the ven-
tilator fan speed during auto-
matic operation (individual seat
adjustment available)
Level 3
(standard)Level 1 (low) to level 5 (high)O—O
Adjustment of the rear seat
heater temperature during
automatic operation (individual
seat adjustment available)Level 3
(standard)Level 1 (low) to level 5 (high)O—O
Rear seat heater start-up con-
ditions when the engine switch
is in the IGNITION ON mode
(individual seat adjustment
available)
OffOn (AUTO)O—O
123

660Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Card key.................................................... 154
Care ............................................... 440, 444
Aluminum wheels ................................441
Exterior....................................................440
Interior ..................................................... 444
Seat belts ................................................445
Cargo hooks........................................... 424CD player *
Chains ...................................................... 385
Child restraint system ............................ 64 Baby seats, definition .......................... 65
Baby seats, installation ........................77
Child seats, definition.......................... 65
Child seats, installation........................77
Installing CRS with ISOFIX
rigid anchors........................................80
Installing CRS with seat belts...........77
Installing CRS with top strap ............81
Junior seats, definition ........................ 65
Junior seats, installation ..................... 79 Child safety ................................................ 63
Airbag precautions ............................. 53
Battery precautions............... 469, 601
Child restraint system .........................64
How your child should
wear the seat belt...................... 47, 48
Installing child restraints .....................76
Moon roof precautions .................. 220
Power window lock switch ............ 214
Power window precautions........... 216
Rear door child-protectors ............ 163
Removed electronic key battery precautions....................... 492
Seat belt comfort guide...................... 47
Seat belt precautions.......................... 50
Seat heater precautions ..................... 411
Trunk precautions .............................. 169
Child-protectors ....................................163
Cleaning........................................440, 444 Aluminum wheels................................ 441
Exterior ................................................... 440
Interior..................................................... 444
Seat belts ............................................... 445
C

664Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Front personal lights ..............................417
Front position lights.............................. 262
Light switch ........................................... 262
Replacing light bulbs....................... 504
Welcome light illumination control................................................... 160
Front seats ................................................ 196 Adjustment ............................................. 196
Cleaning................................................. 444
Correct driving posture .................... 44
Driving position memory ................ 199
Head restraints.................................... 204
Power easy access system ............ 199
Seat heaters ............................................ 412
Seat position memory ...................... 199
Seat ventilators ...................................... 412
Front turn signal lights......................... 255 Replacing light bulbs........... 499, 504
Turn signal lever .................................255
Wattage....................................................631
Fuel ............................................................. 282 Capacity ................................................... 617
Fuel gauge..................................... 108, 113
Fuel pump shut off system...............517
Information ............................................ 632
Refueling ................................................ 282
Type ............................................................ 617
Warning light .......................................520
Warning messages........................... 524
Fuel consumption
Average fuel consumption............................ 122, 130
Average fuel consumption after refueling .......................... 122, 130
Current fuel consumption.... 122, 130 Fuel filler door ........................................ 282
Refueling ................................................ 282
When the fuel filler door cannot be opened......................... 284
Fuel pump shut off system .................. 517
Fuses .......................................................... 493
Gauges ..............................................108, 113
Glove box................................................ 420
Glove box light ...................................... 420
Hands-free system (for cellular phone) *
Head restraints ...................................... 204
Headlight cleaner...................... 277, 278
Headlights ............................................... 262 Adaptive Front-lighting
System (AFS)................................... 263
AHS (Adaptive High-beam
System) ............................................... 265
Automatic High Beam
system.................................................. 270
Follow me home system................ 263
Headlight leveling warning message ............................................. 524
Light switch............................................262
Replacing light bulbs ....................... 504
Head-up display....................................... 141
Heated steering wheel.......................... 411
G
H

665
Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Heaters ..................................................... 396
Air conditioning system..................396
Heated steering wheel...................... 412
Outside rear view mirrors.............402
Seat heaters ............................................ 412
Hill-start assist control ........................ 376
Hood ........................................................... 451 Open..........................................................451
Warning message............................. 524
Hooks
Cargo hooks........................................ 424
Coat hooks ........................................... 434
Luggage hook..................................... 424
Retaining hooks (floor mat)............. 42
Horn ........................................................... 207 Identification .............................................614
Engine ....................................................... 615
Vehicle...................................................... 614
Ignition switch (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
Illuminated entry system ..................... 418
Immobilizer system................................. 86
Indicators .................................................. 103
Initialization Items to initialize ................................... 651
Moon roof ............................................... 219
Power windows ................................... 215
Tire pressure warning system...................................................473
Initiators (tire pressure warning system)................................................... 483
Inside door handle lights .....................416
Inside rear view mirror ....................... 209
Instrument panel light control................................................ 111, 118
Interior lights.............................................416
Intrusion sensor and tilt sensor .......... 95
ISOFIX rigid anchors .............................76I
* : Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.

669
Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Power steering....................................... 376
Warning light ........................................ 519
Warning message............................. 524
Power trunk lid........................................ 166
Power windows ...................................... 214 Door lock linked window
operation ..............................................215
Jam protection function.................... 214
Operation ................................................ 214
Window lock switch........................... 214
Pre-Crash Safety system (PCS)..... 295 Function .................................................. 295
Warning light ........................................ 519
Warning message............................. 524
Radar cruise control (dynamic radar cruise control) ........................ 343
Radar cruise control (dynamic radar cruise control with
full-speed range) ................................ 331
Radiator .................................................... 466
Radio *
Radio Data System (RDS) *
Rear air conditioning system .......... 408
Rear door sunshades ........................... 431 Rear fog light .......................................... 275
Replacing light bulb ......................... 504
Switch .......................................................275
Rear personal lights............................... 417
Rear seat heaters.................................... 412
Rear sunshade .........................................431
Operation ............................................... 431
Reverse operation feature .............432
Rear turn signal lights ......................... 255 Replacing light bulbs ....................... 504
Turn signal lever................................. 255
Rear view mirror
Inside rear view mirror *
Outside rear view mirrors ................ 211
Rear view monitor system *
Rear window defogger ..................... 402
Refueling .................................................. 282 Capacity................................................... 617
Fuel types ................................................ 617
Opening the fuel tank cap ............ 284
When the fuel filler door cannot be opened......................... 284
Remote Touch *
Replacing
Electronic key battery ....................... 491
Fuses ........................................................ 493
Light bulbs ............................................ 498
Tires .......................................................... 557
Rev indicator .................................... 110, 116
Rev peak .............................................110, 117
R
* : Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.

670Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Seat belt reminder light ......................520
Seat belts ..................................................... 46
Adjusting the seat belt .........................47
Child restraint system installation...............................................77
Cleaning and maintaining the seat belt ....................................... 445
Emergency Locking Retractor (ELR).................................. 48
How to wear your seat belt ............. 46
How your child should wear the seat belt .......................................... 48
Pregnant women, proper
seat belt use ......................................... 49
Reminder light and buzzer ...........520
Seat belt pretensioners .......................47
SRS warning light................................ 518
Seat heaters ............................................. 412
Seat position memory .......................... 199
Seat ventilators ....................................... 412
Seats ............................................................ 196 Adjustment ............................................. 196
Adjustment precautions ................... 197
Child seats/child restraint system installation ............................. 76
Cleaning................................................. 444
Driving position memory ................ 199
Head restraints.................................... 204
Power easy access system ............ 199
Properly sitting in the seat ................ 44
Seat heaters ............................................ 412
Seat position memory ...................... 199
Seat ventilators ...................................... 412 Sensor
Automatic headlight system ........ 264
Automatic High Beam system.................................................. 270
Inside rear view mirror ..................... 210
Intrusion sensor and tilt sensor...... 95
Lexus parking assist-sensor *
LDA (Lane Departure Alert
with steering control)..................... 317
LKA (Lane-Keeping Assist) ........ 307
Radar sensor ...........................288, 367
Rain-sensing windshield
wipers .................................................. 280
Service reminder indicators ............. 100
S-FLOW mode ..................................... 397
Shift lever ................................................. 246
Automatic transmission.................. 246
If the shift lever cannot be shifted from P................................... 253
Shift lever light .........................................416
Shift lock system ................................... 252
Side airbags .................................................51
Side display ............................................. 394
Side mirrors ............................................... 211
Adjusting and folding .......................... 211
BSM (Blind spot monitor) ............ 363
Linked mirror function when reversing .............................................. 212
Mirror position memory .................. 199
Side turn signal lights .......................... 255
Replacing light bulbs ....................... 504
Turn signal lever................................. 255
S