2010 Lexus GS450h warning light

632
Alphabetical index
GS_HV_U (OM30C81U)
February 1, 2010 11:29 am
Daytime running light system ............172
Defogger
Rear window ........................................268
Side mirror ............................................268
Dimension ............................................... 588
Dinghy towing ........................................239
Display
Energy flow.............................................. 29
Multi-information display................ 168
Touch screen ....................................... 242
Trip information ....................................169
Warning message............................. 543
Do-it-yourself maintenance .............454
Door courtesy lights ............................395
Door pocket........................................... 405
Doors
Door lock.................................. 41, 53, 55
Rear door child protector ................ 56
Driver’s seat belt reminder light .....536
Driver’s seat position memory ........... 67
Driving
Correct posture .................................. 105
Procedures ............................................ 140
DVD player/changer..........................293
Electric power steering ....................... 214
Electronic key
If the electronic key does 
not operate properly .................... 575
Replacing battery .............................. 494Emergency, in case of
If a warning light turns on .............. 534
If a warning message is 
displayed ............................................ 543
If the electronic key does 
not operate properly ................... 575
If the hybrid system 
will not start ........................................572
If the shift lever cannot be 
shifted from “P” ................................573
If the 12 volt battery is 
discharged ....................................... 578
If you have a flat tire ........... 560, 570
If you lose your keys .........................574
If you think something is 
wrong .................................................... 531
If your vehicle becomes stuck .... 584
If your vehicle has to be stopped 
in an emergency ............................586
If your vehicle needs to be 
towed ................................................... 523
If your vehicle overheats..................581
Energy monitor ........................................ 29
Engine
ACCESSORY mode......................... 151
Compartment ..................................... 460
Hood ........................................................457
How to start the 
hybrid system.....................................150
If the hybrid system 
will not start ........................................572
Overheating ..........................................581
Power (ignition) switch ....................150D
E

637
Alphabetical index
GS_HV_U (OM30C81U)
February 1, 2010 11:29 am
Switch
Fog light switch..................................... 174
Ignition switch....................................... 150
Light switches.......................................... 171
Mode select switch ............................155
Power door lock switch .................... 55
“POWER” switch ............................... 150
Power window switch........................ 87
Tire pressure warning 
reset switch ....................................... 476
Tire pressure 
warning select switch................... 478
Window lock switch ........................... 87
Wipers and washer switch............. 175
Tail lights
Switch .......................................................... 171
Theft deterrent system
Alarm .......................................................... 101
Immobilizer system ............................. 99
Theft prevention labels ........................104
Tire inflation pressure......................... 596
Tire information
Glossary ............................................... 608
Size ........................................................... 604
Tire identification number ............. 603
Uniform Tire Quality Grading ...606Tires
Chains ..................................................... 234
Checking ...............................................475
Compact spare tire ........................... 561
If you have a flat tire .............560, 570
Inflation pressure ............................... 596
Information ............................................. 601
Replacing .............................................. 560
Rotating tires ........................................ 475
Size ........................................................... 596
Snow tires ..............................................236
Tire pressure warning system .....475
Tools ...........................................................560
Total load capacity ............................... 232
Touch screen .......................................... 242
Towing
Dinghy towing .....................................239
Emergency towing............................524
Trailer towing .......................................238
Traction control ...................................... 214
Transmission
If the shift lever cannot be 
shifted from “P” ................................573
Mode select switch ............................ 155
“S” mode.................................................. 156
Transmission.......................................... 154
Trip meter ................................................... 161
Trunk
Opener ......................................................60
Trunk light ...................................................61
Wattage ..................................................597
Turn signal lights
Replacing light bulbs ......................... 514
Switch........................................................ 158
Wattage ..................................................597
T

638
Alphabetical index
GS_HV_U (OM30C81U)
February 1, 2010 11:29 am
Vanity lights
Vanity lights .......................................... 407
Wattage.................................................. 597
Vanity mirrors ........................................ 407
Variable gear ratio steering .............. 215
Vehicle dynamics 
integrated management .................. 215
Vehicle identification number ........ 589
Vehicle load limits ................................ 232
Ventilators ................................................ 413
Warning buzzers
Brake system ....................................... 534
Downshifting .......................................... 157
Open door ..........................................536
Seat belt reminder.............................536
Warning lights
Anti-lock brake system...................535
Brake system ....................................... 534
Charging system ............................... 534
Electric power steering 
warning light .....................................535
Electronically 
controlled brake system .............535
Low fuel level .......................................536
Malfunction indicator lamp...........535
Master warning light ........................ 537
Open door ...........................................536
Pre-collision system .........................535
Seat belt reminder light ..................536
SRS airbags ..........................................535
Tire pressure warning light ........... 537Warning messages
Anti-lock brake system .................. 535
Brake assist .......................................... 535
Charging system ............................... 534
Dynamic radar 
cruise control ................................... 546
Engine oil level.................................... 549
Engine oil maintenance..................550
Engine oil pressure........................... 544
Headlight ............................................... 545
Hood ....................................................... 548
Hybrid system...........................544, 551
Intuitive parking 
assist ............................ 545, 545, 555
Moon roof............................................. 549
Open door ........................................... 548
Parking brake...................................... 549
Pre-collision system............ 546, 550
Refueling ................................................ 554
Rear lights system ............................. 545
Smart access system with 
push-button start ........................... 556
Steering lock...............535, 545, 558
Trunk........................................................ 549
VGRS ......................................................547
Washer fluid ........................................ 549V
W

641
What to do if...
GS_HV_U (OM30C81U)
February 1, 2010 11:14 am
The warning light or indicator
light comes onP. 5 3 4If a warning light turns on or a warning
buzzer sounds...
■Warning lights
or orv
P. 5 3 4P. 5 3 5
P. 5 3 6
or
P. 5 3 5P. 5 3 7
P. 5 3 5P. 5 3 7
P. 5 3 6P. 5 3 5
P. 5 3 5P. 5 3 5
P. 5 3 6P. 5 3 6
P. 5 3 4P. 5 3 7
*: Electronically Controlled Brake 
System
Brake system warning lightMalfunction indicator lamp
ABS warning lightDriver’s seat belt reminder 
light
Front passenger’s seat belt
reminder light
ECB* warning lightTire pressure warning light
Low fuel level warning lightElectric power steering
warning light
SRS warning lightPre-collision system warn-
ing light
Open door warning lightSlip indicator
Charging system warning
lightMaster warning light