2014 Lexus IS250 door lock

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.

871-2. Theft deterrent system
1
For safety and security
IS250_EE(OM53C51E)
■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 or wireless remote control 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 on 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 follow-
ing:
• 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 vehi-
cles
• The movement of people outside the vehi-
cle
●Unstable items, such as dangling accessories
or clothes hanging on the coat hooks, are in
the vehicle.

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.