2013 Lexus IS250 heater

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3-6. Using the storage featuresList of storage features............... 323
• Glove box .................................... 324
• Console boxes ........................... 325
• Overhead console ................... 326
• Cup holders................................. 327
• Bottle holders/door pockets ............................... 329
• Auxiliary box ............................... 329
3-7. Other interior features Sun visors........................................ 330
Vanity mirrors ................................. 331
Clock ................................................. 332
Satellite switch es .......................... 333
Ashtrays ........................................... 336
Cigarette lighter ........................... 337
Power outlet .................................. 338
Seat heaters.................................... 339
Seat heaters and ve ntilators ..... 341
Armrest ............................................ 343
Rear sunshade ............................... 344
Trunk storage extension ........... 346
Coat hooks ..................................... 347
Assist grips ..................................... 348
Floor mat.......................................... 349
Trunk features............................... 350
Garage door opener................. 353
Compass.......................................... 359
Safety Connect ............................. 363 4-1. Maintenance and care
Cleaning and protecting the vehicle exterior................... 372
Cleaning and protecting the vehicle interior .................... 376
4-2. Maintenance Maintenance requirements ..... 379
General maintena nce ................. 381
Emission inspection and maintenance (I/M)
programs ..................................... 384
4-3. Do-it-yourself maintenance Do-it-yourself service precautions ................................. 385
Hood ................................................ 388
Positioning a floor jack.............. 389
Engine compartment................... 391
Tires ................................................... 406
Tire inflation pressure.................. 418
Wheels ............................................. 422
Air conditioning filter.................. 424
Electronic key battery ................ 426
Checking and replacing fuses ................................................ 428
Headlight aim ................................ 442
Light bulbs ....................................... 444
4Maintenance and care

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C
Seat heater switches 
Seat heater/ventilator switches

P. 339
P. 341
Automatic transmi ssion shift lever P. 144
Shift lock override button P. 494
Cigarette lighter 
Ashtray

Auxiliary box

P. 337
P. 336
P. 329
: If equipped

Interior features3
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3-5. Using the interior lightsInterior lights list ...................... 319
• Interior lights ......................... 321
• Personal lights ....................... 321
3-6. Using the storage features
List of storage features ........ 323
• Glove box .............................. 324
• Console boxes .................... 325
• Overhead console .............. 326
• Cup holders .......................... 327
• Bottle holders/ door pockets ......................... 329
• Auxiliary box......................... 329 3-7. Other interior features
Sun visors ................................. 330
Vanity mirrors .......................... 331
Clock ......................................... 332
Satellite switches ................... 333
Ashtrays.................................... 336
Cigarette lighter .................... 337
Power outlet ............................ 338
Seat heaters ............................ 339
Seat heaters and ventilators .............................. 341
Armrest .................................... 343
Rear sunshade ........................ 344
Trunk storage extension ...... 346
Coat hooks .............................. 347
Assist grips ............................... 348
Floor mat .................................. 349
Trunk features ......................... 350
Garage door opener ............ 353
Compass .................................. 359
Safety Connect ...................... 363

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3-1. Using the air conditioning system and defogger
Rear outlets
Direct air flow to the left or right,
up or down
Turn the knob fully to the outside
of the vehicle to close the vent
■Using the automatic mode
Fan speed is adjusted automatically in accordance with the temperature setting and
ambient conditions. As a result, the following may occur.
●Immediately after is pressed, the fan may stop for a while until warm or
cool air is ready to flow.
●Cool air may flow to the area around the upper body when the heater is on.
■Using the system in recirculated air mode
The windows will fog up more easily if recirculated air mode is used for an extended
period.
■Switching between outside air and recirculated air modes
Recirculated air mode or outside air mode may be automatically switched in accor-
dance with the temperature setting and the inside temperature.
■Window defogger feature
Recirculated air mode may automatically switch to
(outside air) mode in situ-
ations where the windows need to be defogged.
■When outside air temperature approaches 32 F (0C)
The air conditioning system may not operate even when is pressed.
■When the indicator light on flashes
Press and turn off the air conditioning system before turning it on once
more. There may be a problem in the air conditioning system if the indicator light
continues to flash. Turn the air conditioning system off and have it inspected by your
Lexus dealer.

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3-7. Other interior features
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Interior features
Seat heaters
■The seat heaters can be used when
The “ENGINE START STOP” switch is in IGNITION ON mode.
■When not in use
Set the dial to “0”. The indicator light turns off.
: If equipped
Heats the seats
The indicator light comes on.
The higher the number, the
warmer the seats become.Front
passenger’s
seat
Driver’s
seat

340
3-7. Other interior features
CAUTION
■Burns
●Use caution when seating the following persons in a seat with the seat heater on
to avoid the possibility of burns:
• Babies, small children, the elderly, the sick and the disabled
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or dr ugs that induce sleep (sleeping drugs,
cold remedies, etc.)
●Do not cover the seat with anything when using the seat heater.
Using the seat heater with a blanket or cushion increases the temperature of the
seat and may lead to overheating.
NOTICE
■To prevent seat heater damage
Do not put unevenly weighted objects on the seat and do not stick sharp objects
(needles, nails, etc.) into the seat.
■To prevent battery discharge
Turn the switches off when the engine is off.

341
3-7. Other interior features
3
Interior features
Seat heaters and ventilators
■The seat heaters and ventilators can be used when
The “ENGINE START STOP” switch is in IGNITION ON mode.
■When not in use
Set the dial to “0”. The indicator light turns off.
: If equipped
The seat heaters and ventilators heat the seats and maintain good airflow
by blowing air from the seats.
Heats the seats
The indicator light (amber)
comes on.
The higher the number, the
warmer the seats become.
Blows air from the seats
The indicator light (green)
comes on.
The higher the number, the
stronger the airflow becomes.
Driver’s
seat
Front
passenger’s
seat

342
3-7. Other interior features
CAUTION
■Burns
●Use caution when seating the following persons in a seat with the seat heater on
to avoid the possibility of burns:
• Babies, small children, the elderly, the sick and the disabled
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or dr ugs that induce sleep (sleeping drugs,
cold remedies, etc.)
●Do not cover the seat with anything when using the seat heater.
Using the seat heater with a blanket or cushion increases the temperature of the
seat and may lead to overheating.
NOTICE
■To prevent seat heaters and ventilators damage
Do not put unevenly weighted objects on the seat and do not stick sharp objects
(needles, nails, etc.) into the seat.
■To prevent battery discharge
Turn the switches off when the engine is off.