2017 Lexus GS450h warning

5768-3. Initialization
GS450h_300h_OM_OM30F92E_(EE)
Item to initialize
*: If equipped
The following item must be initialized for normal system operation after such
cases as the 12-volt battery being re connected, or maintenance being per-
formed on the vehicle:
ItemWhen to initializeReference
Oil maintenance• After the maintenance is per-
formedP. 408
Tire pressure warning system*
• When rotating the tires • When changing the tire inflationpressure by changing traveling
speed or load weight, etc.
P. 418

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)

581What to do if... (Troubleshooting)
GS450h_300h_OM_OM30F92E_(EE)
●When a warning light turns on or a warning message is displayed, refer to
P. 460, 466.
●Vehicles with spare tire
Stop the vehicle in a safe place and replace the flat tire with the spare tire.
( P. 498)
●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. 509)
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or snow.
( P. 542)
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

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

583Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Approach warning
Dynamic radar cruise control
with full-speed range....................302
Armrest.................................................... 380
Ashtrays .................................................... 378
Assist grips ............................................. 383
Audio input*
Audio system*
Automatic headlight leveling
system ...................................................240
Automatic High Beam ....................... 246
Automatic light control system ...... 237
AUX port*
Auxiliary boxes ...................................... 373
AVS (Adaptive Variable
Suspension system) .......................... 325
Back-up light
Replacing light bulb .......................... 443
Wattage................................................. 558
Battery (12-volt battery)...................... 412
If the 12-volt battery is
discharged........................................ 530
Preparing and checking
before winter .................................... 334
Warning light ...................................... 460
Battery (traction battery)..................... 80
Blind Spot Monitor (BSM) ................314
Blind Spot Monitor function .......... 319
Rear Crossing Traffic
Alert function...................................... 321
Bluetooth®*
Brake
Brake Hold ........................................... 235
Fluid .......................................................... 554
Parking brake .......................................232
Regenerative braking..........................78
Warning light........................... 460, 462
Warning message ............................ 466
Brake assist ............................................ 324
Brake Hold .............................................. 235
Break-in tips ........................................... 202
Brightness control
Instrument panel li ght control ....... 107
BSM (Blind Spot Monitor) .................314
Blind Spot Monitor function .......... 319
Rear Crossing Traffic
Alert function...................................... 321
Card key ....................................................134
Care ............................................... 390, 394
Aluminum wheels................................ 391
Exterior ................................................... 390
Interior..................................................... 394
Seat belts ............................................... 395
B
C
*: Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.

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”.

586Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Dynamic radar cruise control
with full-speed range ....................... 296
Function .................................................. 296
Warning message.............................466
Dynamic Rear Steering (DRS)........ 325
Function .................................................. 325
Warning message.............................466
DVD player*
Eco drive mode ........................................ 311
Electric motor (traction motor) ......... 76
Electric Power Steering (EPS)........ 325
Function .................................................. 325
Warning light .........................................461
Warning message.............................466
Electronic key.......................................... 134
Battery-saving function.................... 155
If the electronic key does not
operate properly ............................ 527
Replacing the battery.......................435
Emergency, in case of
If a warning buzzer sounds ......... 460
If a warning light turns on.............. 460
If a warning message is
displayed ............................................466
If the 12-volt battery is
discharged........................................ 530
If the electronic key does not
operate properly ............................ 527
If the hybrid system will not
start ........................................................ 523
If the parking brake cannot
be released........................................525
If you have a flat tire .............498, 509
If you think something
is wrong .............................................. 459
If your vehicle becomes
stuck ..................................................... 542
If your vehicle has to be
stopped in an emergency ......... 453
If your vehicle needs to
be towed ............................................ 454
If your vehicle overheats................ 535
Emergency brake signal.................... 325
Emergency flashers............................. 452
Emergency tire puncture
repair kit ................................................ 509
Energy monitor ....................................... 126
Engine ....................................................... 548
Accessory mode ................................. 218
Compartment ..................................... 403
Engine switch ........................................ 217
Hood ......................................................... 401
How to start the hybrid
system.................................................... 217
Identification number....................... 548
Ignition switch
(power switch) .................................. 217
Overheating ........................................ 535
Power switch ......................................... 217
Engine compartment cover ............. 405
Engine coolant....................................... 409
Capacity................................................. 552
Checking ............................................... 409
Preparing and checking
before winter.................................... 334
E

587Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Engine coolant temperature
gauge....................................................... 105
Engine oil..................................................406
Capacity ................................................ 550
Checking .............................................. 406
Oil level warning message ...........466
Oil pressure warning
message..............................................466
Preparing and checking
before winter .................................... 334
Engine 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
EPS (Electric Power Steering)........ 325
Function .................................................. 325
Warning light .........................................461
Warning message.............................466
EV drive mode ....................................... 222
First-aid kit storage net....................... 375
Flat tire
Vehicles with spare tire ................. 498
Vehicles without spare tire .......... 509
Floor mats ................................................... 34
Fluid
Brake........................................................554
Hybrid transmission .........................553
Washer ...................................................... 411
Fog lights .................................................. 250
Replacing light bulbs ....................... 449
Switch ...................................................... 250
Follow me home system .................... 238
Footwell light .......................................... 366
Front air conditioning system .......... 346
Front fog lights ....................................... 250
Replacing light bulbs ....................... 449
Switch ...................................................... 250
Wattage ................................................. 449
Front personal lights............................ 367
Front position lights ............................. 237
Light switch............................................ 237
Replacing light bulbs ....................... 449
Welcome light illumination
control ................................................... 140
Front seats ................................................. 175
Adjustment ............................................. 175
Cleaning ................................................ 394
Correct driving posture.................... 36
Driving position memory ................ 178
Head restraints .....................................183
Power easy access system............. 178
Seat heaters.......................................... 362
Seat position memory ....................... 178
Seat ventilators ................................... 362
Front turn signal lights ..........................231
Replacing light bulbs ........... 443, 449
Turn signal lever................................... 231
Wattage .................................................558
F
*: Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.