park assist Lexus GS450h 2007 Using the hands-free system (for cellular phone) / LEXUS 2007 GS450H FROM JULY 2006 PROD. (OM30A05U) Owner's Guide

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5-2. Steps to take in an emergency
Wa r n i n g m e s s a g eDetailsCorrection procedure

Low tire inflation pres-
sure.Check the tire inflation
pressure, and adjust to the
appropriate level.
(Flashing)
(If equipped)The PCS is not currently
functional.
Clean the grille and the
sensor. This message appears
when the pre-collision
system is hot. In this case,
wait until the system
cools down.
(If equipped)
Intuitive parking assist is
dirty or covered with ice.
(The illustration shows
something on the left
front sensor.)
Clean the sensor.
(Flashing) 
(If equipped)
The radar cruise control
sensor is dirty or covered
with ice.
Clean the sensor.

5
When trouble arises
477
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 compon ents 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 8 0 )
Also, the following systems must be initialized.
●Po w e r w i n d o w s (P. 5 1 )
●Variable gear ratio steering (P. 1 5 3 )
●Tire pressure warning system (P. 3 8 5 )
●Intuitive parking assist (P. 1 5 3 )
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 order in which they were
connected.
Once the hybrid system starts, have the vehicle checked at your Lexus
dealer as soon as possible.STEP5
STEP6
STEP7

514
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Pow e r w i n d ow
• After reconnecting or changing the battery
• After changing a fuse
P. 5 1
Variable gear ratio
steeringP. 1 5 3
Intuitive parking assistP. 1 5 3
Engine oil maintenance
data• After changing engine oilP. 3 74
Tire pressure warning
system
• When rotating the tires on vehicles differing with front and rear tire infla-
tion pressures.
• When changing the tire inflation pressure by changing traveling speed
or load weight, etc.
• When changing the tire size.
P. 3 8 5
After reconnecting or performing main tenance on the 12 volt battery, the
hybrid system may not start. ( P. 380) Also, the following items must be
initialized for normal system operation.

518
Alphabetical index
Alphabetical index
A/C (Air conditioning system) ........ 192
ABS (Anti-lock Brake System) ........ 164
Active stabilizer suspension 
system...................................................... 164
Air conditioning system (A/C) Air conditioning filter .......................399
Automatic air conditioning 
system .................................................... 192
Airbags Airbag operating conditions........... 69
Airbag precautions for your 
child...........................................................72
Airbag warning light ........................ 439
Curtain shield airbag 
precautions .......................................... 75
General airbag precautions ............72
Locations of airbags............................ 66
Modification and disposal of 
airbags .................................................... 76
Side airbag precautions .....................72
Side and curtain shield airbags 
operating conditions ....................... 69
SRS airbags ............................................. 66
Alarm ............................................................. 61
Antenna ....................................................209
Armrest .....................................................323
Ashtrays ..................................................... 316
Audio system Antenna ..................................................209
Cassette player..................................... 212
CD player/changer ........................... 216
DVD information ................................. 251
DVD player/changer...................... 232
DVD video/audio ............................. 235
MP3/WMA disc ............................... 224
Optimal use.......................................... 255
Radio ........................................................ 203 Steering switches .............................. 259
Video CD .............................................. 247
Automatic headlight leveling 
system ...................................................... 124
Automatic light control system......... 122
AVS (Adaptive Variable 
Suspension System) ...........................163
BA (Brake Assist)...................................164
Back-up lights Wattage ................................................. 494
Battery 12 volt battery .......................................379
Checking................................................379
Hybrid battery (Tra ction battery) .... 5
If the 12 volt battery is 
discharged .........................................476
Preparing and checking 
before winter...................................... 176
Bluetooth
®.............................................. 263
Brake Fluid .......................................................... 378
Parking brake............................................111
Care Exterior ................................................... 352
Interior..................................................... 354
Seat belts ............................................... 355
Cargo capacity........................................ 172
Cargo hooks .......................................... 327
CD player/changer............................. 232
Chains ......................................................... 177
Child-protectors...................................... 26
Child restraint system (CRS)
Definition ...................................................82
Installation ................................................ 85
A
B
C

521
Alphabetical index
Garage door opener.......................... 329
Gas station information ..................... 528
Gauges.........................................................112
Glove box ............................................... 307
Hands-free system ................................ 261
Head restraints......................................... 38
Headlight aim .......................................... 419
Headlight cleaner .................................. 128
HeadlightsAFS (Adaptive Front lighting 
System) ................................................. 123
Discharge headlights 
precautions ....................................... 426
Replacing light bulbs ......................... 421
Switch ........................................................ 122
Wattage ................................................. 494
Heaters Seat heaters..................................319, 321
Side mirror ..............................................199
Hill-start assist control ......................... 164
Hood ......................................................... 366
Hooks Cargo.......................................................327
Shopping bag.......................................327
Hybrid system .................................................. 2
Emergency shut o ff system .................6
Energy monitor/consumption 
screen .........................................................6
High voltage components ...................5
Power meter ............................................ 112
Power switch .........................................103
Hybrid vehicle immobilizer 
system ....................................................... 59 Illuminated entry system ....................303
I/M test...................................................... 362
Indicator lights........................................... 116
Initialization
Items to initialize .................................. 514
Inside rear view mirror .......................... 47
Instrument panel light control ............ 113
Interior lights Interior lights ........................................ 304
Wattage ..................................................494
Intuitive parking assist ............................ 141
Jack Positioning the jack ...........................367
Replacing the wheel .......................... 461
Jack handle............................................... 461
Keys If you lose your keys ......................... 473
Key number plate .................................... 11
Keys ................................................................ 11
Power switch......................................... 103
Mechanical key ......................................... 11
When the electronic key battery 
is discharged..................................... 474
Wireless remote control ................... 22
Lexus Link System ............................... 338
Light bulbs Replacing .................................................421
Wattage ..................................................494
Light sensitive optitron meter............. 114
Lights Fog light switch .................................... 125
Headlights switch................................. 122
Interior lights list ................................. 303G
H
I
J
K
L

525
Alphabetical index
ECB/VSC (Electronically 
Controlled Brake System/ 
Vehicle Stability Control) .......... 439
Electric power steering  warning light ..................................... 439
Low fuel level....................................... 440
Malfunction indicator lamp .......... 439
Master warning light .......................... 441
Open door ........................................... 440
Pre-collision system ......................... 439
Seat belt reminder light .................. 440
SRS airbags .......................................... 439
Tire pressure warning light........... 440
Warning messages Anti-lock Brake System (ABS) .. 448
Brake Assist (BA) ............................. 448
Dynamic radar cruise control ................................... 446
Engine oil level ...................................... 451
Engine oil maintenance.................... 451
Engine oil pressure........................... 444
Headlight ............................................... 445
Hill-start assist control..................... 448
Hood ....................................................... 449
Hybrid system ......................... 444, 453
Intuitive parking 
assist .............................446, 452, 456
Moon roof ............................................. 450
Open door ........................................... 449
Parking brake ...................................... 450
Pre-Collision System .......... 446, 452
Refueling ................................................ 456
Rear lights system ............................. 445
Smart access system with 
push-button start............................ 457
Steering lock ............................445, 459 Tire pressure warning

system ..................................... 445, 452
TRAC (Traction control 
system)................................................ 448
Trunk ....................................................... 450
VGRS (Variable Gear Ratio 
Steering) ............................................ 448
VSC/ECB (Vehicle Stability 
Control/Electronically Controlled 
Brake system) ................................. 448
Washer fluid ........................................ 450
Washer Checking ...............................................382
Preparing and checking 
before winter ......................................176
Switch.........................................................126
Washing and waxing ........................... 352
Weight Cargo capacity ..................................... 172
Load limits ...............................................175
Weight.................................................... 486
Wheels ...................................................... 397
Window glasses ......................................50
Window lock switch ...............................50
Windows Power windows .................................... 50
Rear window defogger.................... 199
Washer .....................................................126
Windshield wipers Position..................................................... 178
Windshield wipers ..............................126
Winter driving tips ..................................176
Wireless remote control Locking/Unlocking ............................. 22
Replacing the battery........................ 401
WMA disc ............................................... 224