2015 Lexus GS450h immobilizer

TABLE OF CONTENTS2
GS450h_OM_OM30F70U_(U)
For your information ................................... 8
Reading this manual................................... 14
How to search ..............................................15
Pictorial index ............................................... 16
1-1. For safe useBefore driving................................. 28
For safety drive............................... 30
Seat belts .......................................... 32
SRS airbags ..................................... 38
Front passenger occupant classification system.................. 49
Safety information for children ................................... 56
Child restraint systems ................57
Installing child restraints............... 61
Exhaust gas precautions .............. 71
1-2. Hybrid system Hybrid system features................72
Hybrid system precautions........ 76
1-3. Theft deterrent system Immobilizer system ........................81
Alarm ................................................. 83 2. Instrument cluster
Warning lights and indicators .............................. 86
Gauges and meters .......................91
Multi-information display .......... 96
Head-up display .......................... 104
Energy monitor/ consumption screen ...................111
3-1. Key information Keys ...................................................120
3-2. Opening, closing and locking the doors and trunk
Smart access system with push-button start .............123
Wireless remote control ...........136
Doors ................................................139
Trunk..................................................143
3-3. Adjusting the seats Front seats...................................... 150
Driving position memory.......... 152
Head restraints ............................ 158
3-4. Adjusting the steering wheel and mirrors
Steering wheel ............................... 161
Inside rear view mirror .............. 162
Outside rear view mirrors........164
1For safety and security
2Instrument cluster
3Operation of
each component

27
GS450h_OM_OM30F70U_(U)
For safety and security1
1-1. For safe use Before driving................................. 28
For safety drive............................... 30
Seat belts .......................................... 32
SRS airbags .....................................38
Front passenger occupant classification system.................. 49
Safety information for children.................................... 56
Child restraint systems ............... 57
Installing child restraints ............... 61
Exhaust gas precautions .............. 71
1-2. Hybrid system Hybrid system features................72
Hybrid system precautions ........ 76
1-3. Theft deterrent system Immobilizer system ....................... 81
Alarm .................................................83

811-3. Theft deterrent system
GS450h_OM_OM30F70U_(U)
1
For safety and security
Immobilizer system
The indicator light flashes after the
power switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing
after the power switch has been
turned to ACCESSORY or ON
mode to indicate that the system has
been canceled.
■System maintenance
The vehicle has a maintenance-free type 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
The vehicle’s keys have built-in tr ansponder chips that prevent the
hybrid system from starting if a 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.
This system is designed to help prev ent vehicle theft but does not guar-
antee absolute security against all vehicle thefts.

821-3. Theft deterrent system
GS450h_OM_OM30F70U_(U)
■Certifications for the immobilizer system
For vehicles sold in the U.S.A.
FCC ID: NI4TMIMB-3
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 undesire d operation.
For vehicles sold in Canada
This device complies with Industry Cana da licence-exempt RSS standard(s). Oper-
ation is subject to the following two conditio ns: (1) this device may not cause interfer-
ence, and (2) this device must accept any interference, including interference that
may cause undesired operation of the device.
CAUTION
■Certifications for the immobilizer system
Changes or modifications no t expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper operation
of the system cannot be guaranteed.

130
GS450h_OM_OM30F70U_(U)
3-2. Opening, closing and locking the doors and trunk
■Conditions affecting operation
The smart access system with push-button start uses weak radio waves. In the follow-
ing situations, the communication between the electronic key and the vehicle may be
affected, preventing the smar t access system with push-button start, wireless remote
control and immobilizer system from operating properly. (Ways of coping: P. 559)
●When the electronic ke y battery is depleted
●Near a TV tower, electric power plant, gas station, radio station, large display, air-
port or other facility that generates strong radio waves or electrical noise
●When carrying a portable radio, cellular phone, cordless phone or other wireless
communication device
●When the electronic key is in contact with, or is covered by the following metallic
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 other wireless keys (that emit radio waves) are being used nearby
●When carrying the electronic key togeth er with the following devices that emit
radio waves
• Another vehicle’s electronic key or a wireless key that emits radio waves
• Personal computers or person al 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

196
GS450h_OM_OM30F70U_(U)
4-2. Driving procedures
■Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes or ON mode
(the hybrid system is not operating) for more than an hour with the shift lever in P, the
power switch will automatically turn off. However, this function cannot entirely pre-
vent 12-volt battery discharge. Do not leave the vehicle with the power switch in
ACCESSORY or ON mode for long periods of time when the hybrid system is not
operating.
■Sounds and vibrations specific to a hybrid vehicle
 P. 7 5
■Electronic key battery depletion
P. 1 3 4
■When the ambient temperature is low, such as during winter driving conditions
It may take time until the “READY” indicator comes on.
■Conditions affecting operation
P. 1 3 0
■Notes for the entry function
P. 1 3 1
■If the hybrid system does not start
●The immobilizer system may not have been deactivated. ( P. 8 1 )
Contact your Lexus dealer.
●Check that the shift lever is securely set in P. The hybrid system may not start if the
shift lever is displaced out of P. “Shift to P position when Starting” will be displayed
on the multi-information display.
■Steering lock
After turning the power switch off and opening and closing the doors, the steering
wheel will be locked due to the steering lock function. Operating the power switch
again automatically cancels the steering lock.

554
GS450h_OM_OM30F70U_(U)
7-2. Steps to take in an emergency
If the hybrid system will not start
One of the following may be the cause of the problem:
●The electronic key may not be functioning properly. (P. 560)
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●There may be a malfunction in the immobilizer system. ( P. 8 1 )
●There may be a malfunction in the steering lock system.
●The hybrid system may be malfunctio ning due to an electrical problem
such as electronic key battery de pletion or a blown fuse. However,
depending on the type of malfuncti on, an interim measure is available
to start the hybrid system. ( P. 555)
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 562)
●The 12-volt battery terminal connecti ons may be loose or corroded.
Reasons for the hybrid system not st arting vary depending on the situa-
tion. Check the following and perf orm the appropriate procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( P. 1 9 3 )
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.

641Alphabetical index
GS450h_OM_OM30F70U_(U)
I/M test ..................................................... 422
Identification ........................................... 575Engine ......................................................575
Vehicle ....................................................575
Ignition switch (power switch) ..........193
Illuminated entry system .................... 365
Immobilizer system...................................81
Indicators .................................................... 89
Initialization Maintenance.......................................... 416
Moon roof ...............................................173
Power windows ................................... 168
Tire pressure warning system................................445
Initiators (tire pressure warning system)...................................451
Inside door handle lights ................... 363
Inside rear view mirror .........................162
Instrument panel light control ............ 93
Interior lights........................................... 363
Intuitive parking assist
*
Function*
Warning message ..................515, 525 Jack
Positioning a floor jack.....................427
Vehicle-equipped jack ................... 542
Jack handle ................................................. 542
Jam protection function Moon roof ............................................... 172
Power trunk opener and closer ............................................145
Power windows................................... 168
Keyless entry ............................................ 123 Smart access system with push-button start.................... 123
Wireless remote control..................136
Keys ............................................................. 120 Battery-Saving Function .................. 129
Electronic key ........................................120
Engine switch ........................................193
If the electronic key does not operate properly ........559
Key number plate ................................120
Keyless entry ............................... 123, 136
Mechanical key.....................................120
Power switch .........................................193
Replacing the battery ......................460
Warning buzzer................................... 127
Wireless remote control key .........136
Knee airbags ..............................................39
IJ
K
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.