2012 Lexus IS250 alarm

TABLE OF CONTENTSIndex
2
IS350/250_U
1-1. Key informationKeys ...................................................... 28
1-2. Opening, closing and locking the doors and trunk
Smart access system with push-button start .......................... 33
Wireless remote control .............. 45
Doors.................................................... 48
Trunk..................................................... 52
1-3. Adjustable components (seats, mirrors,
steering wheel)
Front seats .......................................... 56
Driving position memory ............ 58
Head restraints................................. 62
Seat belts ............................................ 65
Steering wheel (manually adjustable type)............................. 72
Steering wheel (power-adjustable type)............ 73 Anti-glare inside rear view
mirror ................................................ 75
Outside rear view mirrors ........... 77
1-4. Opening and closing the windows and moon roof
Power windows............................... 80
Moon roof .......................................... 83
1-5. Refueling Opening the fuel tank cap........... 87
1-6. Theft deterrent system Engine immobilizer system ......... 90
Alarm.................................................... 92
Theft prevention labels (U.S.A.) ............................................. 95
1-7. Safety information Correct driving posture ............... 96
SRS airbags ....................................... 98
Front passenger occupant classification system .................. 109
Child restraint systems ................. 114
Installing child restraints .............. 118
1Before driving
For vehicles with a navigation system, refer to the “Navigation System Owner’s
Manual” for information regarding the equipment listed below.
• Navigation system
• Air conditioning
•Climate control
• Rear view monitor system • Audio/video system
• Rear window and outside rear view
mirror defogging
• Intuitive parking assist

Before driving1
27
IS350/250_U
1-1. Key informationKeys .............................................. 28
1-2. Opening, closing and locking the doors and
trunk
Smart access system with push-button start ................... 33
Wireless remote control ......... 45
Doors ........................................... 48
Trunk ............................................. 52
1-3. Adjustable components (seats, mirrors,
steering wheel)
Front seats ................................... 56
Driving position memory ....... 58
Head restraints .......................... 62
Seat belts ..................................... 65
Steering wheel (manually adjustable type) ...................... 72
Steering wheel (power-adjustable type) ....... 73
Anti-glare inside rear view mirror ......................................... 75
Outside rear view mirrors ...... 77 1-4. Opening and closing the
windows and moon roof
Power windows .......................... 80
Moon roof ................................... 83
1-5. Refueling Opening the fuel tank cap ..... 87
1-6. Theft deterrent system Engine immobilizer system ........................................ 90
Alarm............................................ 92
Theft prevention labels (U.S.A.)...................................... 95
1-7. Safety information Correct driving posture ......... 96
SRS airbags ................................ 98
Front passenger occupant classification system............ 109
Child restraint systems .......... 114
Installing child restraints........ 118

38
1-2. Opening, closing and locking the doors and trunk
IS350/250_U
■Switching the door unlock function
It is possible to set which doors the entry function unlocks. Turn the “ENGINE START STOP” switch OFF.
When the indicator on the key surface is turned off, push and
hold , or for approximately 5 seconds while pushingon the key.
The setting changes each time an operation is performed, as shown below. (When
changing the setting continuously, release the buttons, wait for at least 5 seconds,
and repeat step 2.)
To prevent unintended triggering of the alarm, unlock the doors using the electronic
key and open and close a door once after the settings have been changed. (If a
door is not opened within 60 seconds after is pressed, the doors will be locked
again and the alarm will automatically be set.)
In case that the alarm is triggered, immediately stop the alarm. ( →P. 92)
STEP1
STEP2
Multi-information
displayUnlocking doorsBeep
Hold the driver's door handle
to unlock only the driver's
door.
Exterior: Beeps three
times
Interior: Pings once
Hold the front passenger’s
door handle to unlock all
doors.
Hold either front door handle
to unlock all doors.Exterior: Beeps twice
Interior: Pings once

39
1-2. Opening, closing and locking the doors and trunk
1
Before driving
IS350/250_U
■Battery-saving function
In the following circumstances, the entry function is disabled in order to prevent the
vehicle and electronic key batteries from discharging.
●When the entry function has not been used for a month or more
●When the electronic key has been left within approximately 3 ft. (1 m) of the
vehicle for 10 minutes or more
The system will resume operation when
●The vehicle is locked using the door handle lock switch.
●The vehicle is locked/unlocked using the wireless remote control function.
( → P. 4 5 )
●The vehicle is locked/unlocked using the mechanical key. ( →P. 5 0 5 )
■Electronic key battery depletion
●The standard battery life is 1 to 2 years. (The card key battery life is about a year
and a half.)
●If the battery becomes low, an alarm will sound in the cabin when the engine
stops. ( →P. 488)
●The battery becomes depleted even if the electronic key is not used because
the key always receives radio waves. If the smart access system with push-but-
ton start or the wireless remote control does not operate, or the detection area
becomes smaller, the battery may be depleted. Replace the battery when nec-
essary.
( → P. 4 3 3 )
●To avoid serious deterioration, do not leave the electronic key within 3 ft. (1 m) of
the following electrical appliances that produce a magnetic field.
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
• Glass top ranges
• Table lamps

40
1-2. Opening, closing and locking the doors and trunk
IS350/250_U
■To operate the system properly
Make sure to carry the electronic key when operating the system. Do not get the
electronic key too close to the vehicle when operating the system from the outside
of the vehicle.
Depending on the position and holding condition of the electronic key, the key may
not be detected correctly and the system may not operate properly. (The alarm may
go off accidentally, or the door lock prevention may not function.)
■Note for the entry function
●Even when the electronic key is within the effective range (detection areas), the
system may not operate properly in the following cases.
• The electronic key is too close to the window or outside door handle, near theground, or in a high place when the doors are locked or unlocked.
• The electronic key is near the ground or in a high place, or too close to the rear bumper center when the trunk is unlocked.
• The electronic key is on the instrument panel, rear package tray or floor, or in
the glove box when the engine is started or “ENGINE START STOP” switch
modes are changed.
●Do not leave the electronic key on top of the instrument panel or near the door
pockets when exiting the vehicle. Depending on the radio wave reception con-
ditions, it may be detected by the antenna outside the cabin and the door will
become lockable from the outside, possibly trapping the electronic key inside
the vehicle.
●As long as the electronic key is within the effective range, the doors may be
locked or unlocked by anyone.
●Even if the electronic key is not inside the vehicle, it may be possible to start the
engine if the electronic key is near the window.
●The doors may unlock if a large amount of water splashes on the door handle,
such as in the rain or in a car wash. (The doors will automatically be locked after
approximately 60 seconds if the doors are not opened and closed.)
●Gripping the door handle when wearing a glove may not unlock the door.
●If the wireless remote control is used to lock the doors when the electronic key
is near the vehicle, there is a possibility that the door may not be unlocked by the
entry function. (Use the wireless remote control to unlock the doors.)
●A sudden approach to the effective range or door handle operation may prevent
the doors from being unlocked. In this case, return the door ha ndle to the original
position and check that the doors unlock before pulling the door handle again.

41
1-2. Opening, closing and locking the doors and trunk
1
Before driving
IS350/250_U
■When the vehicle is not driven for extended periods
To prevent theft of the vehicle, do not leave the electronic key within 6 ft. (2 m) of
the vehicle.
■Security feature
If a door is not opened within approximately 60 seconds after the vehicle is
unlocked, the anti-theft system automatically locks the vehicle again.
■Alarms and warning indicators
A combination of exterior and interior alarms as well as warnings displayed on the
multi-information display is used to prevent theft of the vehicle and unforeseeable
accidents resulting from erroneous operation. Take appropriate measures in
response to any warning indications on the multi-information display. ( →P. 4 8 1 )
The following table describes circumstances and correction procedures when only
alarms are sounded.
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
compartment 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 OFFTu r n t h e “ E N G I N E
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 continu-
ously
*
Tried to open the door and
exit the vehicle without shift-
ing the shift lever to P
Shift the shift lever to P.

42
1-2. Opening, closing and locking the doors and trunk
IS350/250_U
*: Vehicles with an automatic transmission only
■If the smart access system with push-button start does not operate properly
●Locking and unlocking the doors and trunk: Use the mechanical key.
(→ P. 505)
●Starting the engine: →P. 5 0 5
■When the electronic key battery is fully depleted
→P. 4 3 3
■Customization that can be configured at Lexus dealer
It is possible to deactivate the operation signals of the system, such as the emer-
gency flashers. (Customizable features →P. 5 5 3 )
■Certification for the smart access system with push-button start
For vehicles sold in the U.S.A.
FCC ID: NI4TMLF-1
FCC ID: HYQ14AAB
FCC ID: HYQ14AEM
FCC ID: HYQ14ABB
FCC ID: HYQ13BZH
FCC ID: HYQ14ABK
FCC ID: HYQ14ABS
FCC ID: HYQ13BZW
AlarmSituationCorrection procedure
Interior alarm pings
continuously
Switched to ACCESSORY
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 S TA R T
STOP” switch OFF while the
driver's door is open
Close the driver's door.

45
1
1-2. Opening, closing and locking the doors and trunk
Before driving
IS350/250_U
Wireless remote control
■Operation signals
Doors: A buzzer sounds and the emergency flashers flash to indicate that thedoors have been locked/unlocked. (Locked: Once; Unlocked: Twice)
Trunk: A buzzer sounds to indicate that the trunk has been unlocked.
Windows and moon roof: A buzzer sounds to indicate that the windows and moon roof are operating.
■Door lock buzzer
If a door is not fully closed, a buzzer sounds if an attempt to lock the door is made.
Fully close the door to stop the buzzer, and lock the vehicle once more.
■Alarm
Using the wireless remote control to lock the doors will set the alarm system.
The wireless remote control can be used to lock and unlock the vehicle and
the trunk from outside the vehicle.
Locks all doors
One short press: Unlocks all
doors
Press and hold: Opens the
windows and moon roof*
Pressing the button unlocks the
driver’s door. Pressing the but-
ton again within 3 seconds
unlocks the other doors.
Unlocks the trunk
(press and hold)
Sounds alarm
(press and hold) (→P. 4 6 )
*: This setting must be customized
at your Lexus dealer.