lock Lexus GS450h 2017 Owner's Manual

578What to do if... (Troubleshooting)
GS450h_300h_OM_OM30F92E_(EE)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be made
by any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer. ( P. 136)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact any authorized Lexus retailer or Lexus authorized repairer, or any
reliable repairer immediately. ( P. 137)
●Is the electronic key battery weak or depleted? (P. 435)
●Vehicles with entry function
Is the power switch in ON mode?
When locking the doors, turn the power switch off. ( P. 218)
●Vehicles with entry function
Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly due to the condition of the radio wave.
( P. 155)
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
( P. 143)
If you have a problem, check the following before contacting any authorized
Lexus retailer or Lexus authorized repairer, or any reliable repairer.
The doors cannot be locked, un locked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened

579What to do if... (Troubleshooting)
GS450h_300h_OM_OM30F92E_(EE)
●The function to prevent the electronic key from being left inside the trunk will
operate and you can open the trunk as usual. Take the key out from the trunk.
( P. 148)
●Did you press the power switch while firmly depressing the brake pedal?
( P. 217)
●Is the shift lever in P? (P. 219)
●Is the electronic key anywhere detectable inside the vehicle? (P. 153)
●Is the steering wheel unlocked? (P. 219)
●Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary way. ( P. 528)
●Is the 12-volt battery discharged? (P. 530)
●Is the power switch in ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
power switch in ON mode ( P. 229)
●It is locked automatically to prevent theft of the vehicle. (P. 219)
The trunk lid is closed with the electronic key left inside
If you think som ething is wrong
The hybrid system does not start
The shift lever cannot be shifted fr om P even if you depress the brake
pedal
The steering wheel cannot be turned after the hybrid system is stopped

580What to do if... (Troubleshooting)
GS450h_300h_OM_OM30F92E_(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. 193)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or ON mode (the hybrid system is not operating) for a period of time.
( P. 219)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( P. 462)
●The parking brake indicator is on
Is the parking brake released? ( P. 232)
Depending on the situation, other type s of warning buzzer may also sound.
( P. 460, 466)
●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. 91)
To stop the alarm, turn the power switch to ON mode or start the hybrid system.
●Is the electronic key left inside the vehicle or the moon roof opened (if
equipped)?
Check the message on the multi-information display. ( P. 466)
The windows do not open or close by operating the power window
switches
The power 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)

582Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Alphabetical index
A/C ............................................................ 346
Air conditioning filter........................ 433
Changing the rear seat
settings.................................................353
Front automatic air
conditioning system ...................... 346
nanoe™ system ..................................356
Pollen removal mode ...................... 352
Rear air conditioning system ...... 358
S-FLOW mode.................................. 347
ABS (Anti-lock Brake System) ....... 324
Function .................................................. 324
Warning light .........................................461
Warning message.............................466
Adaptive Front-lighting System
(AFS) ..................................................... 239
Adaptive Variable Suspension
system (AVS) ...................................... 325
AFS (Adaptive Front-lighting
System) .................................................. 239
AHS (Adaptive High-beam
System) ................................................... 241
Air conditioning filter .......................... 433
Air conditioning system ..................... 346
Air conditioning filter........................ 433
Changing the rear seat
settings.................................................353
Front automatic air
conditioning system ...................... 346
nanoe™ system ..................................356
Pollen removal mode ...................... 352
Rear air conditioning system ...... 358
S-FLOW mode.................................. 347
Airbags ........................................................ 43
Airbag manual on-off system......... 54
Airbag operating conditions ...........49
Airbag precautions for
your child .............................................. 45
Airbag warning light ........................ 460
Correct driving posture.................... 36
Curtain shield airbag operating
conditions ..............................................49
Curtain shield airbag
precautions ........................................... 47
General airbag precautions ........... 45
Locations of airbags ............................43
Modification and disposal of
airbags.................................................... 48
Side airbag operating
conditions ..............................................49
Side airbag precautions .................... 45
Side and curtain shield airbags
operating conditions ........................49
Side and curtain shield airbags
precautions .......................................... 45
SRS airbags ..............................................43
Airbag manual on-off system ............. 54
Alarm .............................................................. 91
Alarm ............................................................ 91
Warning buzzer.....................460, 466
Anchor brackets ...................................... 66
Antennas (smart entry &
start system) .........................................153
Anti-lock Brake System (ABS)....... 324
Function...................................................324
Warning light......................................... 461
Warning message ............................ 466
A

584Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Cargo hooks........................................... 374
CD player*
Chains ....................................................... 336
Child restraint system ............................ 57
Baby seats, definition ..........................58
Baby seats, installation ....................... 67
Child seats, definition..........................58
Child seats, installation....................... 67
Installing CRS with ISOFIX
rigid anchors........................................ 70
Installing CRS with seat belts.......... 67
Installing CRS with top strap ............ 71
Junior seats, definition ........................58
Junior seats, installation ..................... 69
Child safety................................................. 56
12-volt battery
precautions............................. 414, 534
Airbag precautions .............................. 45
Child restraint system......................... 57
How your child should
wear the seat belt ..................... 39, 40
Installing child restraints .................... 66
Moon roof precautions ................... 198
Power window lock switch.............193
Power window precautions .......... 195
Rear door child-protectors ............143
Removed electronic key
battery precautions ....................... 436
Seat belt comfort guide ..................... 39
Seat belt precautions .......................... 42
Seat heater precautions ...................361
Trunk precautions ..............................149
Child-protectors ................................... 143
Cleaning....................................... 390, 394
Aluminum wheels................................ 391
Exterior ................................................... 390
Interior..................................................... 394
Seat belts ............................................... 395
Clock ............................................... 105, 378
Coat hooks.............................................. 382
Condenser ................................................ 411
Console box ........................................... 370
Console box light ................................... 371
Coolant..................................................... 409
Capacity................................................. 552
Checking ............................................... 409
Preparing and checking
before winter.................................... 334
Cooling system ..................................... 409
Engine overheating .......................... 535
Hybrid system overheating.......... 535
Consumption screen ........................... 126
Cruise control
Cruise control .....................................308
Dynamic radar cruise control
with full-speed range ................... 296
Cup holders .............................................. 371
Curtain shield airbags .......................... 43
Customizable features.........................561

585Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
DAB (Digital Audio Broadcast)*
Daytime running light system ......... 240
Defogger
Front windshield ................................. 352
Outside rear view mirrors............. 352
Rear window ........................................ 352
Differential ...............................................554
Digital Audio Broadcast (DAB)*
Dimensions.............................................. 546
Display
12.3-inch display ................................ 344
Drive information .................................. 113
Dynamic radar cruise control
with full-speed range.................... 296
Energy monitor.....................................126
LKA (Lane-Keeping Assist) .........286
Multi-information display .................... 111
Trip information ................................... 104
Warning message.............................466
Do-it-yourself maintenance .............399
Door courtesy lights
Location..................................................366
Wattage................................................. 558
Door lock
Doors .........................................................139
Smart entry & start system ............. 153
Wireless remote control ..................134
Doors...........................................................139
Automatic door locking and
unlocking system ............................. 143
Door glasses.......................................... 193
Door lock ................................................ 142
Open door warning buzzer .......... 154
Outside rear view mirrors ..............190
Rear door child-protector ............. 143
Double locking system.......................... 90
Drive info 1/Drive info 2/
Drive info 3 ............................................. 113
Drive information .................................... 116
Drive-Start Control ................... 201, 228
Driver’s seat position memory ..........178
Driving position memory ................ 179
Memory recall function ..................... 181
Power easy access system............. 178
Driving ...................................................... 200
Break-in tips......................................... 202
Correct driving posture.................... 36
Driving mode select switch.............. 311
Hybrid vehicle driving tips .............. 331
Procedures........................................... 200
Winter drive tips ................................ 334
DRS (Dynamic Rear Steering) ....... 325
Function.................................................. 325
Warning message ............................ 466
D
*: Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.

590Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Jack
Positioning the jack ...........................402
Vehicle-equipped jack .......... 499, 511
Jack handle..................................... 499, 511
Jam protection function
Moon roof ............................................... 197
Power trunk lid......................................149
Power window ......................................193
Keyless entry ........................................... 153
Smart entry & start system ............. 153
Wireless remote control ..................134
Keys ............................................................. 134
Battery-saving function.................... 155
Electronic key ........................................134
Engine switch......................................... 217
If the electronic key does not
operate properly ............................ 527
If you lose your keys ................ 136, 137
Key number plate ................................134
Keyless entry ............................... 134, 153
Mechanical key.................................... 135
Power switch ......................................... 217
Replacing the battery.......................435
Warning buzzer ...................................154
Wireless remote control key .........134
Knee airbags.............................................. 43
Language (multi-information
display) .................................................. 562
LDH (Lexus Dynamic Handling
system)................................................... 325
Lever
Auxiliary catch lever........................... 401
Hood lock release lever .................. 401
Shift lever ................................................ 224
Turn signal lever................................... 231
Wiper lever ............................................ 251
Lexus Dynamic Handling system
(LDH) ..................................................... 325
Lexus parking assist monitor*
Lexus parking assist-sensor*
Function*
Warning message ............................ 466
Lexus Safety System+........................... 261
AHS (Adaptive High-beam
System) ................................................. 241
Automatic High Beam ................... 246
Dynamic radar cruise control
with full-speed range ................... 296
LKA (Lane-Keeping Assist) ........ 282
PCS (Pre-Crash Safety
system) ................................................ 270
RSA (Road Sign Assist) ................... 291
License plate lights .............................. 237
Light switch............................................ 237
Replacing light bulbs ....................... 449
Welcome light illumination
control ................................................... 140
J
K
L

591Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Light bulbs
Replacing ............................................... 443
Wattage................................................. 558
Lights
AHS (Adaptive High-beam
System).................................................. 241
Automatic High Beam
system .................................................. 246
Fog light switch ...................................250
Follow me home system ................238
Headlight switch................................. 237
Illuminated entry system................ 368
Interior light ........................................... 367
Interior lights list ..................................366
Personal lights ..................................... 367
Replacing light bulbs........................ 443
Trunk light ............................................... 148
Turn signal lever ................................... 231
Vanity lights .......................................... 377
Wattage................................................. 558
Welcome light illumination
control................................................... 140
LKA (Lane-Keeping Assist) .............282
Operation ..............................................286
Warning messages...........................466
Lock steering column .......................... 219
Low profile tire .......................................420
Luggage hook ........................................ 374
Luggage security system .................... 148
Main display............................................ 344
Maintenance
Do-it-yourself maintenance ......... 399
Maintenance data ............................. 546
Maintenance requirements .......... 397
Malfunction indicator lamp .............. 460
Master warning light ........................... 462
Meter .......................................................... 104
Head-up display ....................................119
Indicators .................................................. 101
Instrument panel li ght control ....... 107
Meters ....................................................... 104
Multi-information display.....................111
Warning lights ....................................... 99
Mirrors
Inside rear view mirror .................... 188
Outside rear view mirror
defoggers .......................................... 352
Outside rear view mirrors ..............190
Vanity mirrors ...................................... 377
Moon roof .................................................196
Door lock linked moon roof
operation.............................................. 197
Jam protection function ................... 197
Operation ............................................... 196
Warning message ............................ 466
MP3 disc*
M
*: Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.

593Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Power control unit coolant ...............409
Capacity .................................................552
Checking .............................................. 409
Preparing and checking
before winter .................................... 334
Power easy access system ................ 178
Power outlets ......................................... 379
Power steering....................................... 325
Warning light .........................................461
Warning message.............................466
Power switch ............................................217
Auto power off function ...................219
Changing the power switch
modes ................................................... 218
If your vehicle has to be
stopped in an emergency..........453
Starting the hybrid system............... 217
Power trunk lid........................................ 146
Power windows ...................................... 193
Door lock linked window
operation ..............................................194
Jam protection function....................193
Operation ................................................193
Window lock switch...........................193
Pre-Crash Safety system
(PCS)...................................................... 270
Function .................................................. 270
Warning light .........................................461
Warning message.............................466
Radar cruise control (dynamic
radar cruise control with
full-speed range) ............................... 296
Radiator ....................................................... 411
Radio*
Radio Data System (RDS)*
Rear air conditioning system ........... 358
Rear door sunshades ..........................380
Rear fog light .......................................... 250
Replacing light bulb ......................... 449
Switch ...................................................... 250
Rear personal lights............................. 367
Rear seat heaters.................................. 362
Rear sunshade .......................................380
Operation .............................................380
Reverse operation feature ..............381
Rear turn signal lights ...........................231
Replacing light bulbs ....................... 449
Turn signal lever................................... 231
Rear view mirror
Inside rear view mirror*
Outside rear view mirrors ..............190
Rear view monitor system*
Rear window defogger ..................... 352
R
*: Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.

594Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Refueling .................................................. 257
Capacity .................................................549
Fuel types ...............................................549
Opening the fuel tank cap ............259
When the fuel filler door
cannot be opened ......................... 259
Regenerative braking ............................ 78
Remote Touch*
Replacing
Electronic key battery......................435
Fuses ........................................................ 437
Light bulbs ............................................. 442
Tires ......................................................... 498
Rev indicator............................................ 106
Rev peak .................................................... 106
Road accident cautions.........................83
Seat belt reminder light ...................... 462
Seat belts .....................................................38
Adjusting the seat belt ........................ 39
Child restraint system
installation.............................................. 67
Cleaning and maintaining
the seat belt .......................................395
Emergency Locking
Retractor (ELR).................................. 40
How to wear your seat belt ............. 38
How your child should wear
the seat belt .......................................... 40
Pregnant women, proper
seat belt use ........................................... 41
Reminder light and buzzer ........... 462
Seat belt pretensioners ...................... 39
SRS warning light.............................. 460
Seat heaters ............................................ 362
Seat position memory...........................178
Seat ventilators ...................................... 362
Seats............................................................. 175
Adjustment ............................................. 175
Adjustment precautions................... 176
Child seats/child restraint
system installation ............................. 66
Cleaning ................................................ 394
Driving position memory ................ 178
Head restraints .....................................183
Power easy access system............. 178
Properly sitting in the seat................ 36
Seat heaters.......................................... 362
Seat position memory ....................... 178
Seat ventilators ................................... 362
Sensor
Automatic headlight system ........ 240
Automatic High Beam
system.................................................. 246
Inside rear view mirror .....................189
Intrusion sensor and tilt sensor.......94
Lexus parking assist-sensor*
LKA (Lane-Keeping Assist) ........ 282
Radar sensor .............................263, 318
Rain-sensing windshield
wipers .................................................. 255
Service plug ............................................... 80
Service reminder indicators ............... 98
S-FLOW mode ..................................... 347
S