2012 Lexus IS250 maintenance

TABLE OF CONTENTS
1
1Before drivingAdjusting and operating features such as door locks, mir-
rors, and steering column.
2When drivingDriving, stopping and safe-driving information.
3Interior featuresAir conditioning and audio systems, as well as other interior
features for a comfortable driving experience.
4Maintenance
and careCleaning and protecting your vehicle, performing do-it-your-
self maintenance, and maintenance information.
5When trouble
arisesWhat to do if the vehicle needs to be towed, gets a flat tire,
or is involved in an accident.
6Vehicle
specificationsDetailed vehicle information.
7For ownersReporting safety defects for US owners, and seat belt and
SRS airbag instructions for Canadian owners.
IndexAlphabetical listing of informat ion contained in this manual.

1
2
3
4
5
6
7
5
3-6. Using the storage featuresList of storage features............... 329
• Glove box ................................... 330
• Console boxes .......................... 330
• Overhead console ................... 332
• Cup holders................................. 332
• Bottle holders/door pockets ............................... 334
• Auxiliary box .............................. 335
3-7. Other interior features Sun visors......................................... 336
Vanity mirrors ................................ 337
Clock ................................................ 338
Satellite switch es .......................... 339
Ashtrays ........................................... 342
Cigarette lighter ........................... 343
Power outlet ................................... 344
Seat heaters.................................... 345
Seat heaters and ventilators .................................... 348
Armrest ............................................. 351
Rear sunshade ............................... 352
Trunk storage extension ........... 354
Coat hooks .................................... 355
Floor mat.......................................... 356
Trunk features................................ 357
Garage door opener................. 360
Compass.......................................... 366
Safety Connect ............................. 370 4-1. Maintenance and care
Cleaning and protecting the vehicle exterior................... 378
Cleaning and protecting the vehicle interior .................... 382
4-2. Maintenance Maintenance requirements.............................. 385
General maintenance ................ 387
Emission inspection and maintenance (I/M)
programs ..................................... 390
4-3. Do-it-yourself maintenance Do-it-yourself service precautions ................................... 391
Hood ................................................. 394
Positioning a floor jack............... 395
Engine compartment.................. 397
Tires .................................................... 412
Tire inflation pressure................. 424
Wheels ............................................. 428
Air conditioning filter................. 430
Electronic key battery ................ 433
Checking and replacing fuses ................................................ 435
Headlight aim ................................ 449
Light bulbs ........................................ 451
4Maintenance and care

TABLE OF CONTENTSIndex
6
5-1. Essential informationEmergency flashe rs..................... 462
If your vehicle needs to be towed.............................................. 463
If you think something is wrong ............................................. 469
Fuel pump shut off system ........ 470
5-2. Steps to take in an emergency If a warning light turns on or a warning buzzer
sounds... ......................................... 471
If a warning message is displayed ........................................ 481
If you have a flat tire..................... 492
If the engine will not start ........... 501
If the shift lever cannot be shifted from P ............................. 503
If you lose your keys ................... 504
If the electronic key does not operate properly .............. 505
If the vehicle battery is discharged .................................... 510
If your vehicle overheats ............ 513
If the vehicle becomes stuck................................................. 516
If your vehicle has to be stopped in an emergency ....... 518 6-1. Specifications
Maintenance data (fuel, oil level, etc.).................... 520
Fuel information ............................ 537
Tire information.............................. 541
6-2. Customization Customizable features.............. 553
6-3. Initialization Items to initialize .......................... 559
Reporting safety defects for U.S. owners........................... 562
Seat belt instructions for Canadian owners
(in French) .................................... 563
SRS airbag instructions for Canadian owners
(in French) ................................... 565
5When trouble arises6Vehicle specifications
7For owners

91
1-6. Theft deterrent system
1
Before driving
■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 a ccept 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.

93
1-6. Theft deterrent system
1
Before driving
■System maintenance
The vehicle has a maintenance-free type alarm system.
■Points to remember before locking the doors
To prevent unexpected triggering of the alarm, make sure to check the following
before locking the doors:
●Nobody is in the vehicle.
●The windows and moon roof are closed before the alarm is set.
●The alarm system does not guarantee absolute security. To help prevent theft,
make sure to check that no valuables and so forth are left in the vehicle.
■Unexpected triggering of the alarm
In the following situations, perform an operation that will deactivate or stop the
alarm ( P. 9 2 )
■When the battery is disconnected
Be sure to deactivate the alarm system.
If the battery is disconnected before de activating the alarm system, the alarm may
be triggered when the battery is reconnected.
●When someone without a key is left in the
vehicle and the doors are locked.
When a door, the trunk or hood is opened
from inside the vehicle, the alarm may be
triggered.
●When the battery is recharged or
replaced, due to battery discharge and so
forth, after locking the doors.
The alarm may be activated when the hood
is opened and the ba ttery is reconnected
after the mechanical key has been used to
unlock the doors.

Maintenance and care4
377
4-1. Maintenance and careCleaning and protecting the vehicle exterior............. 378
Cleaning and protecting the vehicle interior ............. 382
4-2. Maintenance Maintenance requirements ....................... 385
General maintenance .......... 387
Emission inspection and maintenance (I/M)
programs............................... 390 4-3. Do-it-yourself
maintenance
Do-it-yourself service precautions ............................ 391
Hood .......................................... 394
Positioning a floor jack ......... 395
Engine compartment ........... 397
Tires............................................. 412
Tire inflation pressure........... 424
Wheels ...................................... 428
Air conditioning filter ........... 430
Electronic key battery.......... 433
Checking and replacing fuses ........................................ 435
Headlight aim ......................... 449
Light bulbs ................................. 451

378
4-1. Maintenance and care
Cleaning and protecting the vehicle exterior
■Automatic car washes
●Fold the mirrors back before washing the vehicle.
●Brushes used in automatic car washes may scratch the vehicle surface and
harm your vehicle’s paint.
■High pressure car washes
●Do not allow the nozzles of the car wash to come within close proximity of the
windows.
●Before car wash, check that the fuel filler door on your vehicle is closed prop-
erly.
Perform the following to protect the vehicle and maintain it in prime condi-
tion.
● Working from top to bottom, liber ally apply water to the vehicle
body, wheel wells and underside of the vehicle to remove any dirt
and dust.
● Wash the vehicle body using a sponge or soft cloth, such as a
chamois.
● For hard-to-remove marks, use car wash soap and rinse thor-
oughly with water.
● Wipe away any water.
● Wax the vehicle when the waterproof coating deteriorates.
If water does not bead on a clean surface, apply wax when the vehicle
body is cool.

379
4-1. Maintenance and care
4
Maintenance and care
■Aluminum wheels
●Remove any dirt immediately by using a neutral detergent. Do not use hard
brushes or abrasive cleaners. Do not use strong or harsh chemical cleaners.
Use the same mild detergent and wax as used on the paint.
●Do not use detergent on the wheels when they are hot, for example after driving
for long distance in the hot weather.
●Wash detergent from the wheels immediately after use.
■Bumpers
Do not scrub with abrasive cleaners.
■Outside rear view mirror rain -clearing coating (if equipped)
Observe the following precautions in order to retain the rain-clearing properties of
the mirror.
●Clean the mirrors using car shampoo or glass cleaner that does not contain sili-
cone or an abrasive compound, and rinse thoroughly with water.
●Allow the mirrors to be exposed to direct sunlight for 1 to 2 days.