alarm Lexus IS250 2011 Instrument Cluster / LEXUS 2011 IS250/IS350 OWNERS MANUAL QUICK GUIDE (OM53A38U)
[x] Cancel search | Manufacturer: LEXUS, Model Year: 2011, Model line: IS250, Model: Lexus IS250 2011Pages: 78, PDF Size: 4.22 MB
Page 6 of 78

6
Keys
■Electronic key
Smart access system with push-button start
(P. 7 ,  1 5 )
*: If equipped
■Mechanical key
●Locks and unlocks the doors
●Opens the trunk
●Locks and unlocks the glove box
The mechanical key is stored inside the electronic
key. To extract the key, release the latch and pull,
or if equipped with a card key, press the button
and pull.
■Wireless remote control
Locks all doors
Unlocks all doors
Unlocks the trunk (press and hold)
Sounds alarm (press and hold)
(Use the alarm to attract attention to the vehi-
cle in order to help deter break-ins. To stop the
alarm, press any button on the wireless remote
control.)
Card key*
1
2
3
4 
Page 8 of 78

8
Theft Deterrent System
■Engine immobilizer system
The engine immobilizer system prevents the
engine from being started in the event that an
attempt is made to start the vehicle using an
unregistered key. 
The security indicator light flashes to indicate that
the system is set.
■Alarm
The system sounds the alarm and flashes lights when forcible entry is detected.
To set the alarm: lock all the doors from outside the vehicle. The security indicator light
comes on to indicate that the alarm is in its preparation state. When the indicator light
begins to flash, the system is armed.
To deactivate or stop the alarm: turn the “ENGINE START STOP” switch to ACCESSORY
or IGNITION ON mode, start the engine or unlock the doors or trunk.
■Steering lock
The steering wheel locks when the “ENGINE
START STOP” switch is OFF.
When the steering lock cannot be released, the
green indicator light on the “ENGINE START
STOP” switch will flash and a message will be
shown on the multi-information display. To release
it, gently turn the wheel left or right while pressing
the “ENGINE START STOP” switch.
The theft deterrent system includes the following features to help protect your vehicle from
theft. 
Page 11 of 78

11
Driving Position Memory System (If Equipped)
■Setting memory positions
Press the SET button, then within 3 seconds press
one of the memory buttons (1, 2, or 3) until you
hear a beep.
The current position of the seat, as well as the
position of the steering wheel and the outside
rear view mirrors is recorded.
■Recalling memory positions
Press one of the memory buttons (1, 2, or 3).
■Linking driving position memory with door unlock operation
While holding down the desired memory button,
press and hold the   button on the wireless
remote control or door lock switch until you hear a
beep.
To prevent triggering of the alarm, open one of
the doors within 180 seconds after the beep is
heard.
The seats can be returned to a previously set position by simply pressing a button.
The position of the steering wheel and the outside rear view mirrors is adjusted along with the
driver's seat.
Positions can be conveniently recorded for the vehicle's primary drivers.
Linking driving position memory to the door unlock operation allows the memory position
to be recalled automatically when the driver's door is opened. (The linked function does not
operate if the driver's door is unlocked using the mechanical key or manually from inside
the vehicle.) 
Page 72 of 78

72
Electronic Key Alarm
The electronic key alarm uses an alarm and warning messages to indicate that the electronic 
key has been used improperly. Take appropriate measure in response to any warning mes-
sages that are displayed. In some cases, an alarm may sound without an accompanying 
warning message. If so, follow the correction procedure in the table below.
*: Vehicles with automatic transmission only
AlarmSituationCorrection procedure
Exterior alarm sounds 
once for 2 seconds
Tried to lock the doors 
using the entry function 
while the electronic key is 
still inside the passenger 
compartmentRetrieve the electronic key 
from the passenger com-
partment and lock the 
doors again.
Closed the trunk while the 
electronic key is still inside 
and all doors are lockedRetrieve the electronic key 
from the trunk and close 
the trunk lid.
Exterior alarm sounds 
once for 60 seconds
Tried to exit the vehicle 
with the electronic key and 
lock the doors without first 
turning the “ENGINE 
START STOP” switch OFF
Turn the “ENGINE START 
STOP” switch OFF and 
lock the doors again.
Exterior alarm sounds 
once for 10 secondsTried to lock the vehicle 
using the entry function 
while a door is openClose all of the doors and 
lock the doors again.
Interior alarm sounds 
continuously*Tried to open the door and 
exit the vehicle without 
shifting the shift lever to P
Shift the shift lever to P.
Interior alarm pings 
continuously
Switched to ACCES-
SORY mode while the 
driver's door is open 
(Opened the driver's door 
when the “ENGINE 
START STOP” switch is in 
ACCESSORY mode.)
Close the driver's door.
Tu r n e d  t h e  “ E N G I N E  
START STOP” switch OFF 
while the driver's door is 
still open
Close the driver's door.