heating Lexus GS450h 2015 User Guide

384
GS450h_OM_OM30F70U_(U)
5-5. Other interior features
■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. 3 4 8 )
■Rear control panel illumination off function (vehicles with rear control panel)
Control panel illumination on the rear armrest can be turned off. ( →P. 3 5 9 )
■Customization
The automatic mode settings for the front seat heaters and ventilators or the rear
seat heaters can be changed. (Customizable features: →P. 599)
CAUTION
■Burns
●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.
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5327-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)
*: Refer to the separate “Scheduled Maintenance” or “Owner’s Manual Supple-ment” for the maintenance interval applicable to your vehicle.
Warning messageDetailsCorrection procedure
Indicates that the tire
position information can-
not be recognized
Drive for a short while
and check if the display
updates. If the radio wave condi-
tions improve, the dis-
play may return to
normal. If the tire pres-
sure is still not dis-
played after driving for
several minutes, stop
the vehicle in a safe
place, turn the power
switch off then on
again, and start driving.
If the tire pressure is still
not displayed even
after repeating this sev-
eral times, have the
vehicle inspected at
your Lexus dealer.
Indicates that the pre-col-
lision system is not cur-
rently functional because
the grille cover or the
sensor is dirtyThis message also
appears when the pre-
collision system is not
functional due to over-
heating.
• 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.
(If equipped)
(Flashes)
(If equipped)
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566
GS450h_OM_OM30F70U_(U)
7-2. Steps to take in an emergency
If your vehicle overheats
■If the needle of the engine coolant temperature gauge enters the red
zone
Stop the vehicle in a safe place and turn off the air conditioning sys-
tem, and then stop the hybrid system.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the hybrid system has cooled down sufficiently, inspect the
hoses and cooling system for leaks.
Radiator
Cooling fans
If a large amount of coolant
leaks, immediately contact your
Lexus dealer.
The following may indicate that your vehicle is overheating.
●The needle of the engine coolant temperature gauge ( →P. 91) enters
the red zone or a loss of hybrid system power is experienced. (For
example, the vehicle speed does not increase.)
●“Hybrid System Overheat” ( →P. 527) is shown on the multi-informa-
tion display.
●Steam comes out from under the hood.
Correction procedures
1
2
3
1
2
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636Alphabetical index
GS450h_OM_OM30F70U_(U)
Child restraint system............................ 57Booster seats, definition .................... 57
Booster seats, installation.................. 67
Convertible seats, definition ............ 57
Convertible seats, installation .........64
Front passenger occupant
classification system .........................49
Infant seats, definition .......................... 57
Infant seats, installation .......................64
Installing CRS
with LATCH anchors ..................... 62
Installing CRS with seat belts .......... 64
Installing CRS with top tether strap .........................68
Child safety ................................................ 56 12-volt battery
precautions.............................441, 565
Airbag precautions ................................41
Child restraint system ......................... 57
How your child should wear
the seat belt ................................. 33, 35
Installing child restraints.......................61
Moon roof precautions.....................174
Power window lock switch .............167
Power window precautions .......... 170
Rear door child-protectors ........... 140
Removed electronic key battery precautions................ 461
Seat belt comfort guide ..................... 33
Seat belt extender precautions ...... 37
Seat belt precautions ..........................60
Seat heater precautions................. 384
Trunk precautions............................... 146 Child-protectors ....................................140
Cleaning ........................................ 408, 412
Aluminum wheels ..............................409
Exterior .................................................. 408
Interior ....................................................... 412
Seat belts.................................................. 413
Clock..........................................................376
Coat hooks ............................................. 390
Condenser.............................................. 436
Console box........................................... 369
Console box light ................................. 369
Consumption screen ..............................114
Coolant .....................................................434 Capacity ................................................. 579
Checking ............................................... 434
Preparing and checking before
winter..................................................... 318
Cooling system ......................................434
Engine overheating ..........................566
Hybrid system overheating ..........566
Cruise control Cruise control ..................................... 235
Dynamic radar crui se control ..... 239
Dynamic radar cruise control
with full-speed range ................... 254
Cup holders............................................ 370
Curtain shield airbags ............................39
Customizable features ...................... 599
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638Alphabetical index
GS450h_OM_OM30F70U_(U)
Electronic key ......................................... 120Battery-saving function .................... 129
If the electronic key does not operate properly............................ 559
Replacing the battery ...................... 460
Emergency, in case of
If a warning buzzer sounds.......... 503
If a warning light turns on.............. 503
If a warning message is displayed ......................................... 513
If the 12-volt battery is discharged .........................................562
If the electronic key does not operate properly ....... 559
If the hybrid system will not start....................................... 554
If the parking brake cannot be released........................557
If the shift lever cannot be shifted from P ........... 556
If you have a flat tire ........................... 541
If you think something is wrong.............................................. 502
If your vehicle becomes stuck ...... 571
If your vehicle has to be stopped in an emergency ............................ 495
If your vehicle needs to be towed ...................................... 496
If your vehicle overheats ............... 566
Emergency flashers ............................. 494
Energy monitor ........................................ 112 Engine
Accessory mode .................................194
Compartment ..................................... 429
Engine switch ........................................193
Hood........................................................ 426
How to start the hybrid system ....193
Identification number ....................... 575
Ignition switch
(power switch) ..................................193
Overheating.........................................566
Power switch .........................................193
Engine compartment cover............. 430
Engine coolant .......................................434 Capacity ................................................. 579
Checking ............................................... 434
Preparing and checking
before winter ..................................... 318
Engine coolant temperature
gauge .......................................................... 91
Engine oil ................................................... 431
Capacity ................................................. 577
Checking ................................................. 431
Oil level warning message ........... 525
Oil pressure warning message.............................514
Preparing and checking
before winter ..................................... 318
Engine oil maintenance data ............. 416
Engine switch........................................... 193
EPS (Electric Power Steering) ....... 284
Function .................................................. 284
Warning light .......................................504
Warning message.............................. 518
EV drive mode ...................................... 200
Event data recorder (EDR).....................11
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640Alphabetical index
GS450h_OM_OM30F70U_(U)
Hands-free system (for cellular phone)
*
HD Radio® system*
Head restraints ....................................... 158
Headlights ................................................. 217 Adaptive Front-lighting System (AFS) .................................... 219
Discharge headlights precautions......................................... 491
Headlight leveling warning message ............................ 516
Light switch ............................................. 217
Replacing light bulbs ....................... 489
Wattage ................................................. 583
Headlights aim............................ 477, 624
Head-up display..................................... 104
Heaters
Air conditioning system ................. 335
Heated steering wheel ................... 380
Seat heaters ......................................... 382
Outside rear view mirrors ............ 360
High-voltage components ...................76
Hood .......................................................... 426 Open ........................................................ 426
Warning message ............................ 520
Hooks Cargo hooks ........................................ 373
Coat hooks .......................................... 390
Luggage hook ..................................... 373
Retaining hooks (floor mat) .............28
Utility hook ............................................392 Horn............................................................. 216
Hybrid battery (traction battery) ....... 76
Hybrid battery (traction battery)
air vents ..................................................... 77
Hybrid system............................................ 72 Emergency shut off system .............. 77
Energy monitor/consumption screen.......................... 111
EV drive mode ...................................200
High voltage components ................76
Hybrid System Indicator ................... 94
Hybrid system precautions ..............76
Hybrid vehicle driving tips ..............316
If the hybrid system will not start .......................................554
Overheating.........................................566
Power (ignition) switch.....................193
Starting the hybrid system...............193
Vehicle proximity notification system ......................................................73
Hybrid System Indicator .......................94
Hybrid transmission ............................ 203 If the shift lever cannot be shifted from P ............556
Paddle shift switches........................ 205
S mode.................................................... 206
H
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644Alphabetical index
GS450h_OM_OM30F70U_(U)
Outside rear view mirrors ..................164Adjusting and folding ........................ 164
Blind Spot Monitor........................... 300
Linked mirror function
when reversing ................................. 165
Mirror position memory .................. 152
Outside rear view mirror defoggers ........................... 360
Outside temperature display ..............97
Overheating ........................................... 566
Paddle shift switches ........................... 205
Parking assist sensors (intuitive parking assist)
*
Parking brake............................................ 211 If the parking brake cannot be released........................557
Operation ................................................. 211
Parking brake engaged warning buzzer ............................... 522
Parking brake engaged
warning message ........................... 522
Parking lights............................................ 217
Light switch ............................................. 217
Replacing light bulbs ....................... 489
Welcome light illumination control ..........................123 PCS (Pre-Collision System)............ 290
Function .................................................. 290
PCS OFF switch ................................ 292
Warning light ...................................... 505
Warning message....................... 515, 526, 532
Personal lights ....................................... 364
Power control unit ................................... 76
Power control unit coolant................434 Capacity ................................................. 579
Checking ............................................... 434
Preparing and checking before
winter..................................................... 318
Power easy access system................. 152
Power outlets ......................................... 378
Power steering (Electric Power
Steering system)................................ 284Warning light .......................................504
Warning message.............................. 518
Power switch............................................ 193
Power trunk opener and closer ....... 143
Power windows....................................... 167
Door lock linked window operation ...........................169
Jam protection function................... 168
Operation................................................ 167
Window lock switch .......................... 167
P
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