2014 Lexus IS250 trunk

831-2. Theft deterrent system
1
For safety and security
IS250_EE(OM53C51E)
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 or trunk is unlocked or opened in any way other than using the
entry function or wireless remote control. (The door will lock again automati-
cally.)
●The hood is opened.
●The intrusion sensor detects something moving inside the vehicle. (An
intruder gets in the vehicle.) (if equipped)
●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 func-
tion or wireless remote control. The
system will be set automatically after
30 seconds.
The indicator light changes from being
on to flashing when the system is set.
Alarm∗
∗
: If equipped
The alarm
Setting the alarm system

841-2. Theft deterrent system
IS250_EE(OM53C51E)
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.
●Start the engine. (The alarm will be deactivated or stopped after a few sec-
onds.)
■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 follow-
ing:
●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

851-2. Theft deterrent system
1
For safety and security
IS250_EE(OM53C51E)
■Triggering of the alarm
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
■Alarm-operated door lock
In the following situations, the doors are locked automatically to prevent intruders:
●The doors are unlocked manually without the mechanical key and the alarm is trig-
gered.
●While the alarm is operating, the doors are unlocked manually without the mechanical
key.
●The doors or trunk are unlocked using the
mechanical key.
●A person inside the vehicle opens a door, the
trunk or hood, or unlocks the vehicle using a
inside lock button.
●The battery is recharged or replaced when the
vehicle is locked. (→P. 5 2 9 )
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.

111
3
Operation of
each component
IS250_EE(OM53C51E)
3-1. Key information
Keys .................................................... 112
3-2. Opening, closing and
locking the doors and trunk
Doors .................................................118
Trunk ................................................. 125
Smart entry & start system...... 130
3-3. Adjusting the seats
Front seats....................................... 147
Rear seats........................................149
Driving position memory........... 151
Head restraints ............................ 156
3-4. Adjusting the steering
wheel and mirrors
Steering wheel ............................. 159
Inside rear view mirror................ 161
Outside rear view mirrors ....... 163
3-5. Opening, closing the
windows and moon roof
Power windows ............................. 167
Moon roof .......................................170

112
IS250_EE(OM53C51E)3-1. Key information
The following keys are provided with the vehicle.
Electronic keys
• Operating the smart entry & start
system (→P. 1 3 0 )
• Operating the wireless remote con-
trol function
Mechanical keys
Key number plate
Card key (electronic key) (if
equipped)
Operating the smart entry & start sys-
tem (→P. 1 3 0 )
Locks the doors (→P. 118)
Closes the windows and moon roof
*
(→P. 118)
Unlocks the doors (→P. 118)
Opens the windows and moon roof
*
(→P. 118)
Opens the trunk (→P. 1 2 6 )
*: These settings must be customized at any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
Keys
The keys
1
2
3
4
Wireless remote control
1
2
3
4
5

118
IS250_EE(OM53C51E)3-2. Opening, closing and locking the doors and trunk
The vehicle can be locked and unlocked using the entry function, wireless
remote control or door lock switches.
◆Entry function (if equipped)
Carry the electronic key to enable this function.
Grip the handle to unlock the
doors.
Make sure to touch the sensor on the
back of the handle.
The doors cannot be unlocked for
3 seconds after the doors are locked.
To u c h t h e l o c k s e n s o r ( i n d e n t a -
tion on the upper part of the door
handle) to lock the doors.
◆Wireless remote control
Locks all the doors
Press and hold to close the windows
and moon roof.*
Unlocks all the doors
Press and hold to open the windows
and moon roof.*
*
: These settings must be customized at
any authorized Lexus dealer or
repairer, or another duly qualified
and equipped professional.
Doors
Unlocking and locking the doors from the outside
1
2
1
2

1193-2. Opening, closing and locking the doors and trunk
3
Operation of each component
IS250_EE(OM53C51E)
■Operation signals
The emergency flashers flash to indicate that the doors have been locked/unlocked.
(Locked: once; Unlocked: twice)
A buzzer sounds to indicate that the windows and moon roof are operating.
■Security feature
If a door is not opened within approximately 30 seconds after the vehicle is unlocked, the
security feature automatically locks the vehicle again.
■Welcome light illumination control
The front position, tail and license plate lights automatically turn on at night when the
doors are unlocked using the entry function or wireless remote control if the light switch
is in the “AUTO” position.
■When the door cannot be locked by the lock sensor on the upper part of the door han-
dle (vehicles with entry function)
■Door lock buzzer
If an attempt to lock the doors is made when a door is not fully closed, a buzzer sounds
continuously for 5 seconds. Fully close the door to stop the buzzer, and lock the vehicle
once more.
■Setting the alarm (if equipped)
Locking the doors will set the alarm system. (→P. 8 3 )
■If the smart entry & start system or the wireless remote control does not operate prop-
erly
Use the mechanical key to lock and unlock the doors. (→P. 5 2 4 )
Replace the key battery with a new one if it is depleted. (→P. 4 4 2 ) If the door will not lock even when the topside
sensor area is touched, try touching both the
topside and underside sensor areas at the same
time.

1203-2. Opening, closing and locking the doors and trunk
IS250_EE(OM53C51E)
CAUTION
■When closing the windows or moon roof using wireless remote control
Observe the following precautions.
Failing to do so may result in death or serious injury.
●Check to make sure that all passengers do not have any part of their body in a posi-
tion where it could be caught when a window or moon roof is being operated.
●To prevent inadvertent power windows and moon roof operation, never let a small
child have and use the wireless remote control.
■Jam protection function
●Never try jamming any part of your body to activate the jam protection function
intentionally.
●The jam protection function may not work if something gets caught just before the
window or moon roof fully closes.