2009 Lexus GS450h immobilizer

TABLE OF CONTENTSIndex
2
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
1-1. Hybrid systemHybrid system................................... 24
1-2. Key information Keys ...................................................... 35
1-3. Opening, closing and locking the doors and trunk
Smart access system with push-button start................. 39
Wireless remote control ............... 51
Doors.................................................... 54
Trunk..................................................... 59
1-4. Adjustable components (seats, mirrors, steering wheel)
Front seats .......................................... 64
Driving position memory system ............................................... 66
Head restraints................................. 70
Seat belts ............................................ 74
Steering wheel................................... 81
Inside rear view mirror.................. 82
Outside rear view mirrors .......... 83 1-5. Opening and closing
the windows and moon roof
Power windows............................... 85
Moon roof ......................................... 88
1-6. Refueling Opening the fuel tank cap............ 91
1-7. Theft deterrent system Immobilizer system ........................ 96
Alarm.................................................... 98
Theft prevention labels (U.S.A.) ........................................... 100
1-8. Safety information Correct driving posture .............. 101
SRS airbags ..................................... 103
Front passenger occupant classification system .................... 115
Child restraint systems ................. 121
Installing child restraints ............. 125
1Before driving
GS450h_HV_U.book Page 2 Monday, April 27, 2009 10:10 AM

Before driving1
23
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
1-1. Hybrid systemHybrid system ............................ 24
1-2. Key information Keys ............................................... 35
1-3. Opening, closing and locking the doors and trunk
Smart access system with push-button start ........... 39
Wireless remote control .......... 51
Doors ............................................ 54
Trunk ............................................. 59
1-4. Adjustable components (seats, mirrors,
steering wheel)
Front seats ................................... 64
Driving position memory system ........................................ 66
Head restraints .......................... 70
Seat belts ..................................... 74
Steering wheel ............................ 81
Inside rear view mirror ........... 82
Outside rear view mirrors ..... 83 1-5. Opening and closing
the windows and moon roof
Power windows .......................... 85
Moon roof ................................... 88
1-6. Refueling Opening the fuel tank cap ...... 91
1-7. Theft deterrent system Immobilizer system .................. 96
Alarm............................................ 98
Theft prevention labels (U.S.A.).................................... 100
1-8. Safety information Correct driving posture ........ 101
SRS airbags .............................. 103
Front passenger occupant classification system............. 115
Child restraint systems .......... 121
Installing child restraints....... 125
GS450h_HV_U.book Page 23 Monday, April 27, 2009 10:10 AM

43
1-3. Opening, closing and locking the doors and trunk
1
Before driving
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
■Operation signals
●Doors: A buzzer sounds and the emergency flashers flash to indicate that the
doors have been locked/unlocked. (Locked: Once; Unlocked: Twice)
●Windows and moon roof: A buzzer sounds when the windows and moon roof
begin to close.
■Conditions affecting operation
The smart access system with push-button start uses weak radio waves. In the fol-
lowing situations, the communication between the electronic key and the vehicle
may be affected, preventing the smart access system with push-button start. Wire-
less remote control, and immobilizer system from operating properly:
(Way of coping: →P. 5 5 0 )
●When the electronic key battery is depleted
●Near a TV tower, electric power plant, gas station, radio station, large display,
airport or other facility that generates strong radio waves or electrical noise
●When carrying a portable radio, cellular phone, cordless phone or other wire-
less communication devices
●When the electronic key is in contact with, or is covered by the following metal-
lic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
•Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
●When multiple electronic keys are in the vicinity
●When other wireless keys (that emit radio waves) are being used nearby
●When carrying or using the electronic key together with the following devices
that emit radio waves
• Another vehicle’s electronic key or a wireless key that emits radio waves
• Personal computers or personal digital assistants (PDAs)
• Digital audio players
• Portable game systems
●If window tint with a metallic content or metallic objects are attached to the rear
window
GS450h_HV_U.book Page 43 Monday, April 27, 2009 10:10 AM

96
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
1-7. Theft deterrent system
Immobilizer system
■System maintenance
The vehicle has a maintenance-free type of immobilizer system.
■Conditions that may cause the system to malfunction
●If the grip portion of the key is in contact with a metallic object.
●If the key is in close proximity to or touching a key to the security system (key
with a built-in transponder chip) of another vehicle.
■Certifications for the immobilizer system For vehicles sold in the U.S.A.
This device complies with Part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
The vehicle’s keys have built-in transponder chips that prevent the hybrid
system from starting if the key has not been previously registered in the
vehicle’s on-board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
The indicator light flashes after
the “POWER” switch has been
turned OFF to indicate that the
system is operating.
FCC ID: NI4TMIMB-1
GS450h_HV_U.book Page 96 Monday, April 27, 2009 10:10 AM

97
1-7. Theft deterrent system
1
Before driving
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
For vehicles sold in Canada
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interfer-
ence that may cause undesired operation of the device.
CAUTION
■Certifications for the immobilizer system
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
NOTICE
■For proper system operation
Do not modify, remove or disable the immobilizer system. If any unauthorized
changes or modifications are made, the proper operation of the system cannot be
guaranteed.
GS450h_HV_U.book Page 97 Monday, April 27, 2009 10:10 AM

150
2-1. Driving procedures
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
■If the hybrid system does not start
The immobilizer system may not have been deactivated. (→P. 9 6 )
■When the steering lock cannot be released
■When the “POWER” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately.
■If the “READY” light does not come on
If the “READY” light does not come on when you press the “POWER” switch with
the shift lever in “P” and the brake pedal pressed, contact your Lexus dealer imme-
diately.
■Auto power OFF function
If the vehicle is left in the ACCESSORY mode for more than an hour with the shift
lever in “P”, the “POWER” switch will automatically turn OFF.
■When the ambient temperature is low
Such as during winter driving conditions, it may take time until the “READY” light
comes on.
■Sounds and vibrations specific to a hybrid vehicle
→ P. 2 7
■When the hybrid system is malfunctioning
→P. 5 1 9 The green indicator light on the “POWER”
switch will flash and a message will be shown
on the multi-information display. Press the
“POWER” switch again while turning the
steering wheel left and right.
GS450h_HV_U.book Page 150 Monday, April 27, 2009 10:10 AM

5
When trouble arises
547
5-2. Steps to take in an emergency
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
If the hybrid system will not start
If the hybrid system will not start even though correct starting procedures
are being followed (
→P. 148), consider each of the following points.
■The hybrid system will not start even if you are carrying the cor-
rect electronic key
One of the following may be the cause of the problem.
● The electronic key battery may be discharged. ( →P. 5 5 0 )
● There may not be sufficient fuel in the vehicle’s tank.
Add fuel to the vehicle.
● There may be a malfunction in the steering lock system.
● There may be a malfunction in the immobilizer system.
(→ P. 9 6 )
■ The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume
One of the following may be the cause of the problem.
● The 12 volt battery may be discharged. ( →P. 553)
● The 12 volt battery terminal connections may be loose or cor-
roded.
■ The interior lights and headlights do not turn on, or the horn does
not sound
One of the following may be the cause of the problem.
● One or both of the 12 volt battery terminals may be discon-
nected.
● The 12 volt battery may be discharged. ( →P. 553)
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.
GS450h_HV_U.book Page 547 Monday, April 27, 2009 10:10 AM

607
Alphabetical index
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Foot light .................................................. 369
Front passenger occupant classification system ........................... 115
Front passenger’s seat belt
reminder light ....................................... 512
Front seats
Adjustment ...............................................64
Driver’s seat position memory ...... 66
Front turn signal lights Wattage ................................................. 573
Fuel Capacity.................................................566
Fuel gauge ..............................................159
Gas station information ................. 620
Information............................................ 574
Refueling ..................................................... 91
Messages ..............................................530
Fuel door....................................................... 91
Fuel filler door............................................. 91
Fuses........................................................... 474
Garage door opener.......................... 394
Gas station information ..................... 620
Gauges....................................................... 159
Glove box ................................................373
Hands-free system (for cellular phone).......................... 323
Head restraints..........................................70
Headlight aim ........................................ 489
Headlight cleaner .................................. 178 Headlights
Adaptive front lighting system...... 170
Discharge headlights precautions........................................ 497
Replacing light bulbs ........................ 492
Switch........................................................ 169
Wattage..................................................573
Heaters
Seat heaters ......................................... 386
Side mirror.............................................256
Hill-start assist control ......................... 214
Hood ..........................................................435
Hooks Cargo ...................................................... 392
Shopping bag ......................................392
Horn ............................................................ 158
Hybrid system ........................................... 24 Emergency shut off system.............. 29
Energy monitor/consumption screen...................................................... 29
High voltage components ............... 28
Power meter.......................................... 159
Power (ignition) switch .................... 148
Identification Engine..................................................... 565
Electric motor ..................................... 565
Vehicle ................................................... 565
Ignition switch Power switch......................................... 148
Illuminated entry system .................... 369
I/M test....................................................... 431
Immobilizer system ................................. 96
Indicator lights......................................... 163
Initialization Items to initialize ................................ 596
G
H
I
GS450h_HV_U.book Page 607 Monday, April 27, 2009 10:10 AM