2012 Lexus GS350 alarm

TABLE OF CONTENTS2
GS350/250_EE (OM30C36E)
For your information...................... 8
Reading this manual .................... 12
How to search .............................. 13
Pictorial index .............................. 14
1-1. For safe use
Before driving ..................... 34
For safety drive ................... 36
Seat belts ............................. 38
SRS airbags ......................... 44
Airbag manual on-off sys-
tem.....................................56
Safety information for chil-
dren...................................58
Child restraint systems ........ 59
Installing child restraints ..... 68
Exhaust gas precautions ...... 79
1-2. Theft deterrent system
Engine immobilizer system. 80
Double locking system ........ 85
Alarm .................................. 86
2. Instrument cluster
Warning lights and indica-
tors.......................................94
Gauges and meters .............. 98
Multi-information display . 101
Head-up display ................ 1093-1. Key information
Keys .................................. 118
3-2. Opening, closing and locking
the doors and trunk
Smart entry & start system 123
Wireless remote control .... 141
Doors ................................. 146
Trunk ................................. 150
3-3. Adjusting the seats
Front seats ......................... 157
Driving position memory .. 161
Head restraints................... 167
3-4. Adjusting the steering wheel and
mirrors
Steering wheel.................170
Inside rear view mirror ...... 171
Outside rear view mirrors . 174
3-5. Opening, closing the windows
and moon roof
Power windows ................. 178
Moon roof ......................... 181
1For safety and security
2Instrument cluster
3Operation of each compo-
nent

33
1For safety and security
GS350/250_EE (OM30C36E)
1-1. For safe use
Before driving ..................... 34
For safety drive ................... 36
Seat belts ............................. 38
SRS airbags......................... 44
Airbag manual on-off
system ............................... 56
Safety information
for children ....................... 58
Child restraint systems........ 59
Installing child restraints .... 68
Exhaust gas precautions...... 79
1-2. Theft deterrent system
Engine immobilizer system 80
Double locking system ....... 85
Alarm .................................. 86

861-2. Theft deterrent system
GS350/250_EE (OM30C36E)
Alarm
The alarm uses light and sound to give an alert when an intrusion is
detected.
The alarm is triggered in the following situations when the alarm is
set:
A locked door is unlocked or opened in any way other than using
the entry function or wireless remote control. (The door will lock
again automatically.)
A trunk is opened in any way other than using the entry function,
wireless remote control or mechanical key.
The hood is opened.
The tilt sensor detects a change of vehicle inclination. (if
equipped)
Close the doors, trunk and hood,
and lock all the doors using the
entry function or wireless remote
control. The system will be set
automatically after 30 seconds.
The indicator light changes from
being on to flashing when the sys-
tem is set.
: If equipped
The alarm
Setting the alarm system

871-2. Theft deterrent system
1
GS350/250_EE (OM30C36E)
For safety and security
Do one of the following to deactivate or stop the alarm:
Unlock the doors or open the trunk using the entry function or
wireless remote control.
Turn the engine switch to ACCESSORY or IGNITION ON
mode, or start the engine. (The alarm will be deactivated or
stopped after a few seconds.)
System maintenance
The vehicle has a maintenance-free type alarm system.
Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of
the following:
Nobody is in the vehicle.
The windows and moon roof (if equipped) are closed before the alarm is
set.
No valuables or other personal items are left in the vehicle.
Deactivating or stopping the alarm

881-2. Theft deterrent system
GS350/250_EE (OM30C36E)
Triggering of the alarm
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
Alarm-operated door lock
When the alarm is operating, the doors are locked automatically to prevent
intruders.
Customization
The alarm can be set to deactivate when the mechanical key is used to
unlock.
(Customizable features: P. 855)
The doors are unlocked using the
mechanical key.
A person inside the vehicle opens a
door, the trunk or hood.
The battery is recharged or replaced
when the vehicle is locked. (P. 826)
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.

891-2. Theft deterrent system
1
GS350/250_EE (OM30C36E)
For safety and security
The intrusion sensor detects intruders or movement in the vehi-
cle.
The tilt sensor detects changes in vehicle inclination, such as
when the vehicle is towed away. (if equipped)
This system is designed to deter and prevent vehicle theft but does
not guarantee absolute security against all intrusions.
Setting the intrusion sensor and tilt sensor
The intrusion sensor and tilt sensor will be set automatically
when the alarm is set. (P. 86)
Canceling the intrusion sensor and tilt sensor
If you are leaving pets or other moving things inside the vehicle,
make sure to stop the intrusion sensor and tilt sensor before set-
ting the alarm, as they will respond to movement inside the vehi-
cle.
Turn the engine switch off.
Press the intrusion sensor
and tilt sensor cancel
switch.
A message will be shown on the
multi-information display in the
instrument cluster.
Press the switch again to re-
enable the intrusion sensor and
tilt sensor.
Intrusion sensor and tilt sensor
1
2

901-2. Theft deterrent system
GS350/250_EE (OM30C36E)
Canceling and automatic re-enabling of the intrusion sensor and tilt sensor
The alarm will still be set even when the intrusion sensor and tilt sensor are
canceled.
After the intrusion sensor and tilt sensor are canceled, pressing the engine
switch or unlocking the doors using the entry function, wireless remote con-
trol or mechanical key will re-enable the intrusion sensor and tilt sensor.
The intrusion sensor and tilt sensor will automatically be re-enabled when
the alarm system is deactivated.
Intrusion sensor detection considerations
The sensor may trigger the alarm in the following situations:
Places with extreme vibrations or noises, or situations in which the vehicle
is subject to repeated impacts or vibrations:
• When parked in a parking garage
• When the vehicle is transported by a ferry, trailer, train, etc.
• When ice adhering to the vehicle is removed
• When the vehicle is in an automatic or high-pressure car wash
• When in a hail or lightning storm
A window or the moon roof is open.
In this case, the sensor may detect the
following:
• Wind or the movement of objects
such as leaves and insects inside the
vehicle
• Ultrasonic waves emitted from
devices such as the intrusion sensors
of other vehicles
• The movement of people outside the
vehicle
Unstable items, such as dangling acces-
sories or clothes hanging on the coat
hooks, are in the vehicle.

911-2. Theft deterrent system
1
GS350/250_EE (OM30C36E)
For safety and security
Tilt sensor detection considerations (if equipped)
The sensor may trigger the alarm in the following situations:
The vehicle is transported by a ferry, trailer, train, etc.
The vehicle is parked in a parking garage.
The vehicle is inside a car wash that moves the vehicle.
Any of the tires loses air pressure.
The vehicle is jacked up.
An earthquake occurs or the road caves in.
NOTICE
To ensure the intrusion sensor function correctly
Installing accessories other than genuine Lexus parts or leaving objects
between the driver’s seat and front passenger’s seat may reduce the detec-
tion performance.
To ensure that the sensors operate prop-
erly, do not touch or cover them.
Do not spray air fresheners or other
products directly into the sensor holes.