600What to do if... (Troubleshooting)
GS450h_300h_OM_OM30F00E_(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. 1 9 3 )
●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. 2 1 9 )
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( →P. 4 7 8 )
●The parking brake indicator is on
Is the parking brake released? ( →P. 2 3 1 )
Depending on the situation, other types of warning buzzer may also sound.
( → P. 4 76 , 4 8 2 )
●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. 9 0 )
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. 4 8 2 )
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)
601What to do if... (Troubleshooting)
GS450h_300h_OM_OM30F00E_(EE)
●When a warning light turns on or a warning message is displayed, refer to
P. 4 76 , 4 8 2 .
●Vehicles with spare tire
Stop the vehicle in a safe place and replace the flat tire with the spare tire.
( → P. 5 1 7 )
●Vehicles without spare tire
Stop the vehicle in a safe place and repair the flat tire temporarily with the
emergency tire puncture repair kit. ( →P. 5 2 8 )
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or snow.
(→ P. 5 6 3 )
A warning light turns on or a warning message is displayed
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck
605Alphabetical index
GS450h_300h_OM_OM30F00E_(EE)
DAB (Digital Audio Broadcast)*
Daytime running light system ......... 239
DefoggerFront windshield ................................. 372
Outside rear view mirrors............. 372
Rear window ........................................ 372
Differential ............................................... 574
Digital Audio Broadcast (DAB)
*
Dimensions.............................................. 566
Display 12.3-inch display ................................ 364
Drive information .................................. 113
Dynamic radar cruise control ...... 315
Dynamic radar cruise control with full-speed range....................303
Energy monitor.....................................126
LDA (Lane Departure Alert with steering control) ................... 293
LKA (Lane-Keeping Assist) .........285
Multi-information display .................... 111
Trip information ................................... 104
Warning message.............................482
Do-it-yourself maintenance .............. 415
Door courtesy lights Location................................................. 386
Wattage..................................................578
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.......................... 89
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........................................... 201
Correct driving posture.................... 36
Driving mode select switch.......... 330
Hybrid vehicle driving tips .............. 351
Procedures........................................... 200
Winter drive tips ................................ 354
DRS (Dynamic Rear Steering) ....... 345 Function.................................................. 345
Warning message ............................ 482
Dynamic radar cruise control ...........315
Function.................................................... 315
Warning message ............................ 482
D
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
606Alphabetical index
GS450h_300h_OM_OM30F00E_(EE)
Dynamic radar cruise control with full-speed range .......................303
Function ..................................................303
Warning message.............................482
Dynamic Rear Steering (DRS)........345 Function ..................................................345
Warning message.............................482
DVD player
*
Eco drive mode .....................................330
Electric motor (traction motor) ......... 75
Electric Power Steering (EPS)........345 Function ..................................................345
Warning light ....................................... 477
Warning message.............................482
Electronic key.......................................... 134 Battery-saving function.................... 155
If the electronic key does not operate properly ........................... 548
Replacing the battery.........................451
Emergency, in case of
If a warning buzzer sounds .......... 476
If a warning light turns on............... 476
If a warning message is displayed ............................................ 482
If the 12-volt battery is discharged.......................................... 551
If the electronic key does not operate properly ........................... 548
If the hybrid system will not start ........................................................543
If the parking brake cannot be released........................................546 If the shift lever cannot be
shifted from P................................... 545
If you have a flat tire................517, 528
If you think something is wrong .............................................. 475
If your vehicle becomes stuck .... 563
If your vehicle has to be stopped in an emergency ......... 469
If your vehicle needs to be towed ............................................ 470
If your vehicle overheats................ 556
Emergency brake signal.................... 345
Emergency flashers............................. 468
Emergency tire puncture
repair kit ................................................ 528
Energy monitor ....................................... 126
Engine ....................................................... 568 Accessory mode ................................. 218
Compartment ....................................... 419
Engine switch ........................................ 217
Hood ......................................................... 417
How to start the hybrid
system.................................................... 217
Identification number.......................568
Ignition switch (power switch) .................................. 217
Overheating ........................................ 556
Power switch ......................................... 217
Engine compartment cover ...............421
Engine coolant....................................... 425 Capacity..................................................572
Checking ............................................... 425
Preparing and checking before winter.................................... 354
E
608Alphabetical index
GS450h_300h_OM_OM30F00E_(EE)
Fuel ............................................................. 256Capacity ................................................ 569
Fuel gauge.............................................. 105
Information ............................................ 579
Refueling ................................................256
Type ........................................................ 569
Warning light ....................................... 478
Warning messages...........................482
Fuel consumption Average fuel consumption .............. 113
Average fuel consumption after refueling ...................................... 113
Current fuel consumption................ 113
Fuel filler door ........................................ 256
Refueling ................................................256
When the fuel filler door cannot be opened .........................258
Fuses ..........................................................453
Gauges ...................................................... 104
Glove box ................................................390
Glove box light ......................................390
Grille Shutter system
Warning message.............................482 Hands-free system
(for cellular phone)
*
Head restraints ....................................... 183
Headlight cleaner....................... 251, 253
Headlights ............................................... 236 Adaptive Front-lighting System (AFS)................................... 238
AHS (Adaptive High-beam System) ............................................... 240
Automatic High Beam system.................................................. 245
Follow me home system.................237
Headlight leveling warning message ............................................. 482
Light switch........................................... 236
Replacing light bulbs ....................... 465
Head-up display....................................... 119
Heated steering wheel........................ 381
Heaters ..................................................... 366
Air conditioning system ................. 366
Heated steering wheel ................... 382
Outside rear view mirrors .............372
Seat heaters.......................................... 382
High-voltage components ...................79
Hood............................................................ 417 Open ......................................................... 417
Warning message ............................ 482
G
H
610Alphabetical index
GS450h_300h_OM_OM30F00E_(EE)
JackPositioning the jack ............................ 418
Vehicle-equipped jack ........ 518, 529
Jack handle................................... 518, 529
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 ........................... 548
If you lose your keys ................ 136, 137
Key number plate ................................134
Keyless entry ............................... 134, 153
Mechanical key.................................... 135
Power switch ......................................... 217
Replacing the battery.........................451
Warning buzzer ...................................154
Wireless remote control key .........134
Knee airbags.............................................. 43 Language (multi-information
display) .................................................. 582
LDH (Lexus Dynamic Handling
system)................................................... 345
Lever
Auxiliary catch lever........................... 417
Hood lock release lever .................. 417
Shift lever ................................................224
Turn signal lever................................. 230
Wiper lever .......................................... 250
Lexus Dynamic Handling system
(LDH) ..................................................... 345
Lexus parking assist monitor
*
Lexus parking assist-sensor*
Function*
Warning message ............................ 482
Lexus Safety System+......................... 260
AHS (Adaptive High-beam System) ............................................... 240
Automatic High Beam ................... 245
Dynamic radar cruise control ....... 315
Dynamic radar cruise control with full-speed range ................... 303
LDA (Lane Departure Alert with steering control)................... 290
LKA (Lane-Keeping Assist) .......... 281
PCS (Pre-Crash Safety system) ................................................ 269
RSA (Road Sign Assist) ................. 298
License plate lights .............................. 236 Light switch........................................... 236
Replacing light bulbs ....................... 465
Welcome light illumination
control ...................................................140
J
K
L
611Alphabetical index
GS450h_300h_OM_OM30F00E_(EE)
Light bulbsReplacing ...............................................459
Wattage..................................................578
Lights
AHS (Adaptive High-beam System)................................................240
Automatic High Beam system .................................................. 245
Fog light switch ................................... 249
Follow me home system ................ 237
Headlight switch................................. 236
Illuminated entry system................ 388
Interior light ........................................... 387
Interior lights list ................................. 386
Personal lights .....................................387
Replacing light bulbs........................459
Trunk light ............................................... 148
Turn signal lever .................................230
Vanity lights .......................................... 397
Wattage..................................................578
Welcome light illumination control................................................... 140
LDA (Lane Departure Alert with steering control)
Operation .............................................. 293
Warning messages...........................482
LKA (Lane-Keeping Assist) .............. 281 Operation ..............................................285
Warning messages...........................482
Lock steering column .......................... 219
Low profile tire ....................................... 436
Luggage hook ........................................ 394
Luggage security system .................... 148 Main display............................................ 364
Maintenance
Do-it-yourself maintenance ........... 415
Maintenance data ............................. 566
Maintenance requirements ............ 413
Malfunction indicator lamp ...............476
Master warning light ........................... 478
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 ........................................... 372
Outside rear view mirrors ..............190
Vanity mirrors ..................................... 397
Moon roof .................................................196
Door lock linked moon roof operation.............................................. 197
Jam protection function ................... 197
Operation ............................................... 196
Warning message ............................ 482
MP3 disc
*
M
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
612Alphabetical index
GS450h_300h_OM_OM30F00E_(EE)
Multi-information display ...................... 111Audio system-linked ............................. 111
Drive information .................................. 113
Dynamic radar cruise control ...... 315
Dynamic radar cruise control with full-speed range....................303
G-force...................................................... 114
LDA (Lane Departure Alert with steering control) ...................290
LKA (Lane-Keeping Assist) .......... 281
Navigation system-linked................... 111
Settings....................................................... 115
Switch settings........................................ 115
Switching the display ...........................112
nanoe system ..................................... 376
Navigation system
*
Odometer................................................. 105
Oil Differential oil ....................................... 574
Engine oil ...............................................570
Opener
Fuel filler door......................................256
Hood .......................................................... 417
Trunk ..........................................................146
Outer foot lights
Location................................................. 386
Replacing light bulbs..........................461
Wattage..................................................578 Outside rear view mirrors ................. 190
Adjusting and folding ........................190
BSM (Blind Spot Monitor) ........... 333
Linked mirror function
when reversing ...................................191
Mirror position memory .................. 178
Outside rear view mirror defoggers .......................................... 372
Outside temperature display ........... 105
Overheating ........................................... 556
Paddle shift switches ........................... 226
Parking assist sensors
*
Parking brake...........................................231 If the parking brake cannot
be released ....................................... 546
Operation ............................................... 231
Parking brake engaged warning buzzer............................... 482
Parking brake engaged warning message .......................... 482
PCS (Pre-Crash Safety system)............ 269
Function.................................................. 269
Warning light........................................ 477
Warning message ............................ 482
Personal lights........................................ 387
Pollen removal mode.......................... 372
Power control unit ...................................79
N
O
P