power steering Lexus GS450h 2007 Using the hands-free system (for cellular phone) / LEXUS 2007 GS450H THROUGH JUNE 2006 PROD. (OM30727U) Owner's Guide

454
5-2. Steps to take in an emergency
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection procedure

An open door has
been closed and
the power switch
has been turned
twice to the
“A C C ” m o d e f r o m
“OFF” mode.
Press the
power
switch while
applying the
brakes.

(Flashing)
The steering lock
has not released
within 3 seconds
of pressing the
power switch. The
power switch indi-
cator will flash
green for 15 sec-
onds.Press the
power
switch again
while turn-
ing the
steering
wheel with
the brake
pedal
depressed.

472
5-2. Steps to take in an emergency
■To prevent 12 volt battery discharge
●Turn off the headlights and the audio system while the hybrid system is off.
●Turn off any unnecessary electrical components when the vehicle is running at a
low speed for an extended period, such as in heavy traffic, etc.
■When the 12 volt battery is removed or discharged
The hybrid system may not start. ( P. 3 7 2 )
Also, the following systems must be initialized.
●Po w e r w i n d o w s (P. 5 3 )
●Moon roof (P. 5 6)
●Variable gear ratio steering (P. 1 5 1 )
●Tire pressure warning system (P. 3 7 7 )
●Intuitive parking assist (P. 1 5 1)
Maintain the engine speed on th e second vehicle and turn the
power switch to the “IG-ON” mo de, then start the vehicle’s
hybrid system.
Make sure the “READY” light co mes on. If the light does not
come on, contact your Lexus dealer.
Once the vehicle’s hybrid system has started, remove the
jumper cables in the exact reverse or
der in which they were
connected.
Once the hybrid system starts, have the v
ehicle checked at your Lexus
dealer as soon as possible.
STEP5
STEP6
STEP7

497
6-1. Specifications
6
Vehicle specifications
Warning: The temperature grades for this tire are established for a tire that
is properly inflated and not overloaded.
Excessive speed, underinflation, or excess iv
e loading, either separately or in
combination, can cause heat build up and possible tire failure.
Glossary of tire terminology
Tire related termMeaning
Accessory weight
The combined weight (in excess of those standard
items which may be replaced) of automatic transmis-
sion, power steering, power brakes, power windows,
power seats, radio and heater, to the extent that these
items are available as factory-installed equipment
(whether installed or not)
Cold tire inflation pres-
sureTire pressure when the vehicle has been parked for
three hours or more, or has not been driven more
than 1 mile or 1.5 km under that condition
Curb weight
The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipped, air conditioning and
additional weight optional engine
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
Maximum loaded vehicle
weight
The sum of: 
(a) Curb weight 
(b) Accessory weight 
(c) Vehicle capacity weight 
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants speci-
fied in the second column of Table 1
* that follows

512
Alphabetical index
Emergency, in case ofIf a warning light turns on .............. 430
If a warning message is 
displayed ............................................ 436
If the hybrid system will not 
start........................................................ 466
If the shift lever cannot be 
shifted from P ................................... 467
If the 12 volt battery is 
discharged ......................................... 471
If you have a flat tire ............ 455, 456
If you lose your keys......................... 468
If you think something is 
wrong ....................................................427
If your vehicle becomes stuck..... 478
If your vehicle needs to be 
towed ................................................... 420
If your vehicle overheats ................ 475
When the electronic key battery 
is discharged .................................... 469
Energy monitor............................................ 6
Engine Compartment ....................................... 361
Hood........................................................ 358
How to start the hybrid system
.....101
If the hybrid system will not 
start........................................................ 466
Overheating......................................... 475
Power switch .......................................... 101
Engine compartment cover ............. 362
Engine coolant temperature 
gauge.........................................................110
Engine/inverter coolant Capacity ................................................. 484
Checking ............................................... 368
Preparing and checking 
before winter ...................................... 174 Engine oil
Capacity ................................................ 483
Checking............................................... 363
Preparing and checking  before winter...................................... 174
Engine oil maintenance data ........... 366
EPS (Electric Power Steering) ......... 162
Event data recorder ............................ 428
First-aid kit storage belt ..................... 332
Floor mats .................................................. 331
Fluid Brake ....................................................... 370
Washer.................................................... 374
Fog lights Switch ........................................................ 123
Wattage ................................................. 488
Foot light .................................................. 308
Front passenger's seat
belt 
reminder light ..................................... 433
Front seats Adjustment ............................................... 34
Driving position memory .................. 36
Front turn signal lights Wattage ................................................. 488
Fuel Capacity ................................................ 482
Fuel gauge ................................................ 110
Gas station information ................. 520
Information ........................................... 489
Refueling ................................................... 58
Messages .............................................. 450
Fuel filler door ........................................... 58
Fuses .......................................................... 395
F

515
Alphabetical index
Emergency Locking Retractor 
(ELR) ........................................................44
How to wear your seat belt.............. 42
How your child should wear 
the seat belt.......................................... 45
Pre-collision seat belts........................ 44
Pregnant women, 
proper seat belt use..........................44
Reminder light..................................... 433
Seat belt extenders .............................. 45
Seat belt pretensioners....................... 43
Seat heaters................................. 324, 326
Seat ventilators....................................... 326
Seating capacity ..................................... 173
Seats Child seats/child restraint 
system installation ............................. 83
Cleaning ................................................ 346
Driving position memory ................. 36
Head restraint ........................................ 39
Properly sitting in the seat................. 67
Seat adjustment ...................................... 34
Seat adjustment precautions ........... 34
Seat heaters.............................. 324, 326
Ventilated seats .................................. 326
Service reminder indicators .............. 115
Shift lever If the shift lever cannot be 
shifted from P ................................... 467
Transmission .......................................... 104
Shift lock system .................................... 467
Shopping bag hooks ........................... 332
Side airbags ................................................ 69
Side marker lights Switch ........................................................ 120
Side mirror Adjusting and folding ......................... 50Driving position memory ..................
36
Smart access system with 
push-button start Antenna location ..................................... 16
Entry function ............................................ 14
Starting the hybrid system ................ 101
Spare tire Inflation pressure ................................ 487
Spare tire ................................................ 457
Spark plug................................................ 484
Specifications ........................................ 480
Speedometer ............................................ 110
Steering wheel Adjustment ............................................... 48
Audio switches................................... 260
Driving position memory .................. 36
Storage compartment ......................... 314
Storage feature......................................... 311
Stuck If your vehicle becomes stuck ..... 478
Sun visors ................................................... 317
Switch Fog light switch ..................................... 123
Light switches ....................................... 120
Mode select switch ............................ 105
Power door lock switch .................... 26
Power switch........................................... 101
Power window switch ........................ 52
Window lock switch............................ 52
Wipers and washer switch ............. 124
Tail lights Switch........................................................ 120
Theft deterrent system Alarm........................................................... 64
T

517
Alphabetical index
Electric power steering warning light ..................................... 432
Low fuel level....................................... 432
Malfunction indicator lamp ............ 431
Master warning light ........................ 433
Open door ........................................... 432
Pre-collision system ......................... 432
Seat belt reminder light .................. 433
SRS airbags ............................................ 431
Tire pressure warning light........... 433
Warning messages Anti-lock Brake System (ABS) ... 442
Brake Assist (BA) .............................. 442
Dynamic radar 
cruise control ................................... 440
Engine oil level .................................... 445
Engine oil maintenance.................. 445
Engine oil pressure............................ 437
Headlight ............................................... 438
Hill-start assist control...................... 442
Hood ....................................................... 443
Hybrid system .......................... 437, 447
Intuitive parking 
assist .............................. 439, 446, 451
Moon roof ............................................. 444
Open door ........................................... 443
Parking brake ...................................... 444
Pre-Collision System .......... 439, 446
Refueling ................................................ 450
Rear lights system ............................. 438
Smart access system with 
push-button start............................ 452
Steering lock ............................ 439, 454
Tire pressure warning 
system...................................... 438, 446
TRAC (Traction control 
system) .................................................442 Trunk ........................................................
444
VGRS (Variable Gear Ratio 
Steering) ............................................. 442
VSC/ECB (Vehicle Stability 
Control/Electronically Controlled 
Brake system) .................................. 442
Washer fluid ......................................... 444
Washer Checking ............................................... 374
Preparing and checking  before winter ......................................174
Switch......................................................... 124
Washing and waxing ........................... 344
Weight Cargo capacity .................................... 170
Load limits ............................................... 173
Weight.................................................... 480
Wheels ..................................................... 389
Window glasses ...................................... 52
Window lock switch ............................... 52
Windows Power windows ..................................... 52
Rear window defogger.................... 199
Washer ..................................................... 124
Windshield wipers Position...................................................... 176
Windshield wipers .............................. 124
Winter driving tips .................................. 174
Wireless remote control Locking/Unlocking ............................. 23
Replacing the battery....................... 393
WMA disc ............................................... 224

519
What to do if...
The warning light or indicator
light comes onP. 4 3 0If the warning light turns on
■Warning lights
or orv
P. 4 3 0P. 4 3 1
P. 4 3 3
or
P. 4 3 2P. 4 3 3
P. 4 3 2P. 4 3 3
P. 4 3 2P. 4 3 2
P. 4 3 1P. 4 3 2
P. 4 3 2P. 4 3 3
*: Electronically Controlled Brake 
System
P. 4 3 1
Brake system warning lightMalfunction indicator lamp
ABS warning lightDriver’s seat belt reminder light
Front passenger’s seat belt
reminder light
ECB*/VSC 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 lightMaster warning light
Charging system warning
light
The warning message is dis-
playedP. 4 3 6If the warning message is displayed