air filter Lexus IS F 2011 Using The Bluetooth Audio System /

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4-1. Maintenance and careCleaning and protecting the vehicle exterior................... 366
Cleaning and protecting the vehicle interior .................... 369
4-2. Maintenance Maintenance requ irements ..... 372
General maintenance ................ 374
Emission inspection and maintenance (I/M)
programs ...................................... 377
4-3. Do-it-yourself maintenance Do-it-yourself service precautions .................................. 378
Hood................................................... 381
Positioning a floor jack.............. 382
Engine compartment................. 384
Tires ................................................... 397
Tire inflation pressure................ 408
Wheels............................................... 412
Air conditioning filter................... 414
Electronic key battery ................. 417
Checking and replacing fuses ................................................. 419
Headlight aim ................................ 433
Light bulbs ....................................... 435 5-1. Essential information
Emergency flashers .................... 442
If your vehicle needs to be towed ............................................. 443
If you think something is wrong ............................................. 449
Fuel pump shut off system ....... 450
Event data recorder..................... 451
5-2. Steps to take in an emergency If a warning light turns on or a warning buzzer
sounds... ........................................ 453
If a warning message is displayed....................................... 463
If you have a flat tire..................... 477
If the engine will not start .......... 486
If the shift lever cannot be shifted from P .............................. 487
If you lose your keys ................... 488
If the electronic key does not operate prop erly .............. 489
If the vehicle battery is discharged ................................... 492
If your vehicle ov erheats ........... 495
If the vehicle becomes stuck............................................... 498
If your vehicle has to be stopped in an
emergency ................................... 499
4Maintenance and care5When trouble arises

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3-1. Using the air conditioning system and defogger
Automatic air conditioning system
Using the automatic mode
Press .
The air conditioning system begins to operate. Air outlets and fan
speed are automatically adjusted according to the temperature setting.
Press to switch to automatic mode.
The air conditioning system automati cally switches between outside air
and recirculated air modes.
Air outlets and fan speed are automati cally adjusted according to the tem-
perature setting.
With navigation system
Owners of models equipped with a navigation system should refer to the
“Navigation System Owner's Manual”.
Without navigation system
Automatic mode
Driver’s side temperature
setting display Changes the air outlets used
Off Fan speed
Airflow display
Fan speed display
Passenger’s side temperature
setting display
Micro dust and pollen filter
Driver's side
temperature control Air conditioning on/off Outside air or recirculated air modeWindshield defoggerPassenger’s side
temperature control
Dual operation
STEP1
STEP2

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3-1. Using the air conditioning system and defogger
Micro dust and pollen filter
Press .
Outside air mode switches to (recirculated air) mode. Pol-
len is removed from the air and the
air flows to the upper part of the
body.
Usually the system will turn off
automatically after approximately 1
to 3 minutes.
To stop the operation, press again.
Adjusting the sensitivity of the air intake control in automatic mode
Press for 2 or more sec-
onds.
Press “” (increase) or “ ”
(decrease) on .
From -3 (low) to 3 (high) can be
set.
STEP1
STEP2

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3-1. Using the air conditioning system and defogger
■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.
■Automatic mode for air intake control
In automatic mode, the system detects exhaust gas and other pollutants and auto-
matically switches between outside air and recirculated air modes.
■Micro dust and pollen filter
●In order to prevent the windshield from fogging up when the outside air is cold,
the following may occur.
• Outside air mode does not switch to .
• The air conditioning syst em operates automatically.
• The operation cancels after 1 minute.
●In rainy weather, the windows may fog up. Press .

Maintenance and care4
365
4-1. Maintenance and careCleaning and protecting the vehicle exterior............. 366
Cleaning and protecting the vehicle interior .............. 369
4-2. Maintenance Maintenance requirements ........................ 372
General maintenance .......... 374
Emission inspection and maintenance (I/M)
programs................................ 377 4-3. Do-it-yourself
maintenance
Do-it-yourself service precautions ........................... 378
Hood ........................................... 381
Positioning a floor jack ......... 382
Engine compartment ........... 384
Tires............................................ 397
Tire inflation pressure........... 408
Wheels ....................................... 412
Air conditioning filter ............ 414
Electronic key battery............ 417
Checking and replacing fuses ......................................... 419
Headlight aim ......................... 433
Light bulbs ................................ 435

380
4-3. Do-it-yourself maintenance
CAUTION
The engine compartment contains many mechanisms and fluids that may move sud-
denly, become hot, or become electrically energized. To avoid death or serious injury,
observe the following precautions.
■When working on the engine compartment:
●Keep hands, clothing, and tools away from the moving fan and engine drive belt.
●Be careful not to touch the engine, radiator , exhaust manifold, etc. right after driv-
ing as they may be hot. Oil and other fluids may also be hot.
●Do not leave anything that may burn easi ly, such as paper or rags, in the engine
compartment.
●Do not smoke, cause sparks or expose an open flame to fuel or the battery. Fuel
and battery fumes are flammable.
●Be extremely cautious when working on the battery. It contains poisonous and
corrosive sulfuric acid.
■When working near the electric cooling fan or radiator grille:
Be sure the “ENGINE START STOP” switch is OFF.
With the “ENGINE START STOP” switch in IGNITION ON mode, the electric
cooling fan may automatically start to run if the air conditioning is on and/or the
coolant temperature is high. ( P. 3 9 1 )
■Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from getting
in the eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear due to
dirt in the air. Also, a backfire could cause a fire in the engine compartment.

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4-3. Do-it-yourself maintenance
Air conditioning filter
The air conditioning filter must be cleaned or changed regularly to main-
tain air conditioning efficiency.
■ Removal method
Set the air conditio ning system to recirculated mode.
The air conditioning filter case cannot be removed with the system in
the outside air mode.
Turn the “ENGINE START STOP” switch to OFF.
Open the glove box. Lift and
remove the partition.
Remove the filter cover.
Remove the filter case.
STEP1
STEP2
STEP3
STEP4
STEP5

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4-3. Do-it-yourself maintenance
4
Maintenance and care
■Checking interval
Inspect and replace the air conditioning filter according to the maintenance sched-
ule. In dusty areas or areas with heavy traffic flow, early replacement may be
required. (For scheduled maintenance information, please refer to the “Warranty
and Services Guide/Owner's Manual Supplement/Scheduled Maintenance”.)
■If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
■Cleaning method
If the filter is dirty, clean by blow-
ing compressed air through the
filter from the downward side.
Hold the air gun 2 in. (5 cm)
from the filter and blow for
approximately 2 minutes at
72 psi (500 kPa, 5.0 kgf/cm
2
or bar).
If it is not available, have the
filter cleaned by your Lexus
dealer.
■ Replacement method
Remove the air conditioning fil-
ter from the filter case and
replace it with a new one.
The “UP” marks shown on the
filter and the filter case should
be pointing up.

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4-3. Do-it-yourself maintenance
NOTICE
■To prevent damage to the system
●When using the air conditioning system, make sure that a filter is always installed.
●When cleaning the filter, do not clean the filter with water.

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Alphabetical index
Alphabetical index
A/C ............................................................. 210
ABS.............................................................. 187
ACCESSORY mode .......................... 130
Air conditioning filter ........................... 414
Air conditioning systemAir conditioning filter ......................... 414
Automatic air conditioning system ....................................................210
Airbags Airbag operating conditions........... 94
Airbag precautions for your child.......................................................... 98
Airbag warning light ........................ 454
Curtain shield airbag operating conditions.............................................. 94
Curtain shield airbag precautions .......................................... 98
Front passenger occupant classification system....................... 103
General airbag precautions ........... 98
Locations of airbags.............................. 91
Modification and disposal of airbags ...................................................102
Proper driving posture .............89, 98
Side airbag operating conditions.............................................. 94
Side airbag precautions .................... 98
SRS airbags ............................................... 91 Alarm ............................................................ 85
Antenna .................................................... 228
Anti-lock brake system ........................187
Armrest .................................................... 340
Ashtrays.................................................... 335
Audio input.............................................. 265
Audio system
Antenna.................................................. 228
Audio input ........................................... 265
AUX port .............................................. 265
Bluetooth
® audio ..............................270
CD player/changer ........................... 231
iPod ...........................................................246
MP3/WMA disc............................... 238
Optimal use ..........................................263
Portable music player ..................... 265
Radio ........................................................ 223
Steering wheel audio switch.........267
USB memory ...................................... 254
USB port ................................... 246, 254
Automatic air conditioning system ..................................................... 210
Automatic headlight leveling system ..................................................... 160
Automatic light control system........ 158
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