2013 Lexus IS250 immobilizer

TABLE OF CONTENTSIndex
2
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..................................................... 53
1-3. Adjustable components (seats, mirrors,
steering wheel)
Front seats .......................................... 57
Driving position memory ............. 59
Head restraints................................. 63
Seat belts ............................................ 66
Steering wheel (manually adjustable type) ....... 73
Steering wheel (power-adjustable type)............ 74 Anti-glare inside rear
view mirror...................................... 76
Outside rear view mirrors ........... 78
1-4. Opening and closing the windows and moon roof
Power windows................................. 81
Moon roof .......................................... 84
1-5. Refueling Opening the fuel tank cap.......... 88
1-6. Theft deterrent system Engine immobilizer system .......... 91
Alarm.................................................... 93
Theft prevention labels ................. 96
1-7. Safety information Correct driving posture ............... 97
SRS airbags ....................................... 99
Front passenger occupant classification system ................... 110
Child restraint sy stems ................. 115
Installing child restraints ............... 119
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
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 ............................................. 53
1-3. Adjustable components
(seats, mirrors,
steering wheel)
Front seats ................................... 57
Driving position memory ........ 59
Head restraints .......................... 63
Seat belts ..................................... 66
Steering wheel (manually adjustable type) ...................... 73
Steering wheel (power-adjustable type) ....... 74 Anti-glare inside rear view
mirror.......................................... 76
Outside rear view mirrors...... 78
1-4. Opening and closing the windows and moon roof
Power windows ........................... 81
Moon roof ................................... 84
1-5. Refueling Opening the fuel tank cap ..... 88
1-6. Theft deterrent system Engine immobilizer system..... 91
Alarm............................................ 93
Theft prevention labels ........... 96
1-7. Safety information Correct driving posture ......... 97
SRS airbags ................................ 99
Front passenger occupant classification system............. 110
Child restraint systems .......... 115
Installing child restraints........ 119

91
1
Before driving
1-6. Theft deterrent system
Engine immobilizer system
The vehicle's keys have built-in transponder chips that prevent the engine
from starting if the key has not been previously registered in the vehicle's
on-board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
The indicator light flashes after
the “ENGINE START STOP”
switch has been turned OFF to
indicate that the system is oper-
ating.
The indicator light stops flashing
after the “ENGINE START
STOP” switch has been turned
to ACCESSORY or IGNITION
ON mode to indicate that the
system has been canceled.

92
1-6. Theft deterrent system
■System maintenance
The vehicle has a maintenance-free type engine immobilizer system.
■Conditions that may cause the system to malfunction
●If the grip portion of the key is in contact with a metallic object
●If the key is in close proximity to or touching a key to the security system (key
with a built-in transponder chip) of another vehicle
■Certifications for the engine immobilizer system For vehicles sold in the U.S.A.
FCC ID: NI4TMIMB-1
NOTE:
This device complies with part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
FCC WARNING:
Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
For vehicles sold in Canada
NOTE:
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interfer-
ence that may cause undesired operation of the device.
NOTE:
L’utilisation de ce dispositif est autori sée seulement aux deux conditions suivantes:
(1) il ne doit pas produire de brouillage, et (2) l’utilisateur du dispositif doit être prêt
à accepter tout brouillage radioélectrique reçu, même si ce brouillage est suscepti-
ble de compromettre le fonc tionnement du dispositif.
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If mo dified or removed, the proper operation
of the system cannot be guaranteed.

142
2-1. Driving procedures
■If the engine does not start
The engine immobilizer system may not have been deactivated. (P. 9 1 )
■When the steering lock cannot be released
■When the “ENGINE START STOP” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately.
■Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes with the shift
lever in P, the “ENGINE START STOP” switch will automatically turn OFF.
■Electronic key battery depletion
 P. 3 9
■When the electronic key battery is fully discharged
P. 4 2 6
■Conditions affecting operation
P. 3 7
■Note for the entry function
P. 4 0
The “ENGINE START STOP” switch indica-
tor will flash in green and a message will be
shown on the multi-information display. Press
the “ENGINE START STOP” switch again
while turning the steering wheel left and right.

492
5-2. Steps to take in an emergency
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (
P. 140), consider each of the following points.
■The engine will not start even when the starter motor operates
normally.
One of the following may be the cause of the problem.
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine once more following correct starting
procedures. ( P. 140)
● There may be a malfunction in the engine immobilizer system.
( P. 9 1 )
■ The starter motor turns over slow ly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low vol-
ume.
One of the following may be the cause of the problem.
● The battery may be discharged. ( P. 500)
● The battery terminal connections may be loose or corroded.

572
Alphabetical index
Emergency flashersSwitch ...................................................... 454
Engine Compartment .......................................391
Engine switch........................................ 140
Hood....................................................... 388
How to start the engine................... 140
Identification number.......................... 511
If the engine will not start ............... 492
Ignition switch....................................... 140
Overheating.........................................504
Engine compartment cover .............393
Engine coolant Capacity ................................................... 517
Checking ...............................................398
Preparing and checking before winter ......................................201
Engine coolant temperature gauge....................................................... 153
Engine immobilizer system................... 91
Engine oil Capacity ...................................................514
Checking ...............................................395
Preparing and checking before winter ......................................201
EPS ................................................................191
Event data recorder ............................... 22 First-aid kit storage belt .....................350
Floor mat .................................................. 349
Fluid
Brake ....................................................... 400
Washer................................................... 405
Fog lights Switch .......................................................... 171
Wattage ................................................. 525
Footwell lights ..........................................319
Front fog lights Switch .......................................................... 171
Wattage ................................................. 525
Front passenger occupant classification system ............................ 110
Front passenger's seat belt
reminder light ..................................... 465F

579
Alphabetical index
TachometerTacho indicator .................................... 153
Tachometer ............................................ 153
Tail lights Switch ........................................................ 167
Talk switch*............................................. 293
Telephone switch* ................................292
Theft deterrent system Alarm .......................................................... 93
Engine immobilizer system ............... 91
Theft prevention labels ..........................96
Tire inflation pressure...........................418
Tire information Glossary ................................................ 535
Size ........................................................... 532
Tire identification number ............. 532
Uniform tire quality grading......... 533
Tires Chains ....................................................... 201
Checking ............................................... 406
If you have a flat tire.......................... 483
Inflation pressure .................................418
Inflation pressure sensor................408
Information............................................530
Replacing............................................... 483
Rotating tires ........................................ 406
Size ........................................................... 520
Snow tires................................................ 201 Tools ...........................................................483
Total load capacity .............................. 200
Towing
Dinghy towing .................................... 206
Emergency towing........................... 455
Trailer towing ...................................... 205
TRAC............................................................ 191
Traction control ........................................ 191
Transmission shift switches .................147
Trip meter ................................................. 153
Trunk Extending trunk space ....................346
Opener ...................................................... 53
Trunk light Trunk light ................................................. 54
Wattage ..................................................525
Turn signal lights Replacing light bulbs ........................ 444
Switch........................................................ 150
Wattage ..................................................525T
*: For vehicles with a navigation system, refe r to the “Navigation System Owner’s Manual”.