key Lexus GS450h 2007 Using the hands-free system (for cellular phone) / LEXUS 2007 GS450H THROUGH JUNE 2006 PROD. OWNER'S MANUAL (OM30727U)

TABLE OF CONTENTSIndex
ii
1-1. Hybrid system .................................. 2Hybrid system ...................................... 2
1-2. Key information ............................ 12 Keys ....................................................... 12
1-3. Opening, closing and locking 
the doors and trunk ................... 14
Smart access system with  push-button start ........................... 14
Wireless remote control .............. 23
Doors.................................................... 26
Trunk.................................................... 30
1-4. Adjustable components ............ 34 Front seats .......................................... 34
Driving position memory 
system .............................................. 36
Head restraints................................. 39
Seat belts ............................................ 42
Steering wheel.................................. 48
Inside rear view mirror.................. 49
Outside rear view mirrors .......... 50
1-5. Opening and closing the 
windows and moon roof .......... 52
Power windows................................ 52
Moon roof ......................................... 55 1-6. Refueling ....................................... 58
Opening the fuel tank cap.......... 58
1-7. Anti-theft system ......................... 62 Hybrid vehicle immobilizer 
system ............................................... 62
Alarm.................................................... 64
Theft prevention labels 
(U.S.A.) ............................................. 66
1-8. Safety information ....................... 67 Correct driving posture ............... 67
SRS airbags ....................................... 69
Child restraint sy stems ................ 80
Installing child restraints ............... 83
2-1. Driving procedures..................... 94 Driving the vehicle .......................... 94
Starting the hybrid system .......... 101
Transmission ................................... 104
Turn signal lever............................. 108
Parking brake ................................. 109
2-2. Instrument cluster ...................... 110 Gauges and meters ...................... 110
Indicators and warning lights ..... 114
Multi-information display............. 117
1Before driving
2When driving

TABLE OF CONTENTSIndex
iv
3-4. Using the hands-free 
system........................................ 263
Hands-free system ...................... 263
Using the Bluetooth
® 
phone ............................................ 268
Setting the hands-free 
system ............................................. 281
3-5. Using the interior lights .......... 307 Interior lights list............................ 307
3-6. Using the storage features ...... 311 List of storage fe atures.................. 311
3-7. Other interior features............ 317 Sun visors.......................................... 317
Vanity mirror ................................... 318
Clock .................................................. 319
Outside temperature 
display ........................................... 320
Ashtrays ............................................ 321
Cigarette lighter ........................... 322
Power outlet ................................... 323
Seat heaters ................................... 324
Seat heaters and 
ventilators .................................... 326
Armrest ........................................... 328
Rear sunshade ............................... 329
Floor mats......................................... 331
Trunk features................................ 332
Garage door opener .................. 334
Compass.......................................... 339 4-1. Maintenance and care............ 344
Cleaning and protecting the 
vehicle exterior .......................... 344
Cleaning and protecting the 
vehicle interior............................ 346
4-2. Maintenance.............................. 349 Maintenance requirements ..... 349
General maintenance ................. 351
Emission inspection and 
maintenance (I/M) 
programs ...................................... 354
4-3. Do-it-yourself 
maintenance............................ 355
Do-it-yourself service 
precautions ................................. 355
Hood................................................. 358
Positioning the jack .................... 359
Engine compartment................... 361
Tires ................................................... 375
Tire inflation pressure................ 385
Wheels............................................. 389
Air conditioning filter................... 391
Electronic key battery ................ 393
Checking and replacing 
fuses ............................................... 395
Headlight aim.................................... 411
Light bulbs ........................................ 413
4Maintenance and care

1
2
3
4
5
6
7
v
5-1. Essential information .............. 420If your vehicle needs to be 
towed.............................................. 420
If you think something is 
wrong ............................................. 427
Event data recorder .................... 428
5-2. Steps to take in an 
emergency .............................. 430
If a warning light turns on or a 
warning buzzer sounds............... 430
If a warning message is 
displayed ....................................... 436
If you have a flat tire 
(Vehicles with run-flat 
tires) ................................................ 455
If you have a flat tire 
(Vehicles with standard 
tires) ................................................ 456
If the hybrid system will not 
start ................................................. 466
If the shift lever cannot be 
shifted from P .............................. 467
If you lose your keys ................... 468
When the electronic key  battery is discharged ............... 469
If the 12 volt battery is 
discharged .................................... 471
If your vehicle overheats ........... 475
If the vehicle becomes 
stuck................................................ 478 6-1. Specifications ............................ 480
Maintenance data ....................... 480
Fuel information ........................... 489
Tire information ............................ 492
6-2. Customization .......................... 500 Customizable features ............. 500
6-3. Initialization ............................... 505 Items to initialize .......................... 505
Reporting safety defects for 
U.S.A. owners............................ 508
Alphabetical index............................... 510
What to do if... ........................................ 518
5When trouble arises6Vehicle specifications
7For US owners
Index

Before driving1
1
1-1. Hybrid system ............................... 2Hybrid system ................................... 2
1-2. Key information.......................... 12 Keys..................................................... 12
1-3. Opening, closing and locking 
the doors and trunk................. 14
Smart access system with 
push-button start ........................ 14
Wireless remote control............ 23
Doors................................................. 26
Trunk .................................................. 30
1-4. Adjustable components .......... 34 Front seats ....................................... 34
Driving position memory 
system ............................................ 36
Head restraints.............................. 39
Seat belts ......................................... 42
Steering wheel............................... 48
Inside rear view mirror ............... 49
Outside rear view mirrors ....... 50 1-5. Opening and closing the

windows and moon roof ....... 52
Power windows ............................. 52
Moon roof ....................................... 55
1-6. Refueling ..................................... 58 Opening the fuel tank cap ....... 58
1-7. Anti-theft system ...................... 62 Hybrid vehicle immobilizer 
system ............................................ 62
Alarm ................................................ 64
Theft prevention labels 
(U.S.A.) .......................................... 66
1-8. Safety information .................... 67 Correct driving posture ............. 67
SRS airbags .................................... 69
Child restraint systems .............. 80
Installing child restraints ............ 83

12
1-2. Key information
Keys
Using the mechanical key
Take out the mechanical key.
You can use the mechanical key to
lock/unlock the doors, and to
unlock the trunk.
The following keys are provided with the vehicle.
Electronic keys
• Operating the smart access system with push-button start
( P. 1 4 )
• Operating the wireless re
mote control function 
( P. 2 3 )
Mechanical keys
Key number plate
■When required to leave a key to the vehicle with a parking attendant
Turn the trunk opener main switch OFF an d lock the glo
ve box as circumstances
demand. ( P.
3 1 , 3 1 2 )
Remove the mechanical key for your own use
and provide the attendant with the
electronic key only.
■Key number plate
Keep the plate in a safe place such as your wallet, not in the vehicle. In the event that
a
mechanical key is lost, a new key can be made at your Lexus dealer using the key
number plate. ( P. 4 6 8 )

13
1-2. Key information
1
Before driving
NOTICE
■To prevent key damage
●Do not bend the keys, expose them to high temperatures by placing them in
direct sunlight, or get them wet.
●Do not expose the keys to electromagneti c materials or attach any material that
blocks electromagnetic waves to the key surface.

14
1-3. Opening, closing and locking the doors and trunk
Smart access system with push-button start
The following operations can be performed simply by carrying the elec-
tronic key, for example in your pocket.
Locks and unlocks the doors ( P. 1 5 )
Unlocks the trunk ( P. 1 5)
Starts and stops the hybrid system ( P. 1 0 1 )

16
1-3. Opening, closing and locking the doors and trunk
Antenna location
Antennas outside cabin
Antennas inside cabin
Antenna outside trunk
Antenna inside trunk
■Operation signals
A buzzer sounds and the emergency flashers flash to indicate that the doors have
been
locked/unlocked. (Locked: Once; Unlocked: Twice)
■Conditions affecting operation
The smart access system with push-button s
tart and wireless remote control func-
tion may not operate normally in the following situations.
●Near a TV tower, radio station, electric power plant, airport or other facility that
generates strong radio waves
●When carrying a portable radio, cellular phone or other wireless communica -
tion device
●When multiple electronic keys are in the vicinity
●When the electronic key has come into contact with, or is covered by a metallic
object
●When a wireless key (that emits radio waves) is being used nearby
●When the electronic key has been left ne ar an electrical appliance such as a
personal computer
In these situations, remove all possible caus e
of malfunction, or follow the steps out-
lined in “When the electronic key battery is discharged”. ( P. 4 6 9 )

17
1-3. Opening, closing and locking the doors and trunk
1
Before driving
■Switching the door unlock function
It is possible to set which doors the entry function unlocks. Turn the power switch “OFF”.
When the indicator on the key surface is turned off, push and
hold , , or for approximately 5 seconds while pushing the
button on the key.
The setting changes each time an operation is performed, as shown below. (Wait for
at least 5 seconds after each oper ation to continue an operation.)
STEP1
STEP2
Multi-information
displayUnlocking doorsBeep
Hold the driver’s door handle
to unlock only the driver’s
door
Exterior: Beeps 3 times
Interior: Rings once
Hold a passenger’s door han-
dle to unlock all the doors
Hold the door handle to
unlock the front and rear
doors on your sideExterior: Beeps 4 times
Interior: Rings once
Hold the door handle to
unlock the doorExterior: Beeps once
Interior: Rings once
Hold a door handle to unlock
all doorsExterior: Beeps twice
Interior: Rings once

18
1-3. Opening, closing and locking the doors and trunk
■Battery-saving function
In the following circumstances, the entry function is disabled in order to prevent the
vehicle and electronic key batteries from discharging.
●When the entry function has not been used for 2 weeks or more
●When the electronic key has been left within approximately 3 ft. (1 m) of the
vehicle for 10 minutes or more
The system will resume operation when...
●The vehicle is locked using the door handle lock switch
●The vehicle is locked/unlocked using the wireless remote control function 
(  P. 23) or the mechanical key ( P. 4 6 9 )
■Electronic key battery depletion
●The standard battery life is 1 to 2 years. (The battery becomes depleted even if
the electronic key is not used.) If the smart access system with push-button start
or the wireless remote control function does not operate, or the detection area
becomes smaller, the battery may be depleted. Replace the battery when nec-
essary. (  P. 3 9 3 )
●To avoid serious deterioration, do not leave the electronic key within 3 ft. (1 m) of
the following electrical appliances.
•TVs
• Personal computers
• Recharging cellular phones or cordless phones
• Table lamps
■To operate the system properly
Make sure to carry the electronic key when operating the system. Do not get the
electronic key too close to the vehicle when operating the system from the outside
of the vehicle.
Depending on the position and holding condition of the electronic key, the key may
not be detected corr ectly and the system may not operate properly. (The alarm may
go off accidentally, or the door lock prevention may not function.)