maintenance Lexus IS F 2008 Do-It-Yourself 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 in-
structions for Canadian owners
IndexAlphabetical listing of informat ion contained in this manual.

TABLE OF CONTENTSIndex
4
Power outlet .................................... 241
Seat heaters .................................... 242
Seat heaters and ventilators .... 244
Armrest ............................................ 246
Trunk storage extension............ 247
Coat hooks ..................................... 249
Floor mat......................................... 250
Trunk features................................. 251
Garage door opener .................. 254
Compass.......................................... 259
4-1. Maintenance and care............ 264 Cleaning and protecting the vehicle exterior................... 264
Cleaning and protecting the vehicle interior .................... 267
4-2. Maintenance ............................. 270 Maintenance requ irements ..... 270
General maintenance ................ 272
Emission inspection and maintenance (I/M)
programs ...................................... 275 4-3. Do-it-yourself
maintenance............................ 276
Do-it-yourself service precautions .................................. 276
Hood.................................................. 279
Positioning a floor jack.............. 280
Engine compartment.................. 282
Tires ................................................... 296
Tire inflation pressure................. 307
Wheels................................................. 311
Air conditioning filter................... 313
Electronic key battery ................. 316
Checking and replacing fuses ................................................. 318
Headlight aim................................. 332
Light bulbs ....................................... 334
5-1. Essential information .............. 340 If your vehicle needs to be towed ...................................... 340
If you think something is wrong ......................................... 346
Fuel pump shut off system ........ 347
Event data recorder ................... 348
4Maintenance and care
5When trouble arises

1
2
3
4
5
6
7
5
5-2. Steps to take in an emergency .............................. 350
If a warning light turns on or a warning buzzer
sounds... ....................................... 350
If a warning message is displayed ...................................... 360
If you have a flat tire..................... 374
If the engine will not start ......... 383
If the shift lever cannot be shifted from P ............................. 384
If you lose your keys ................... 385
If the electronic key does not operate properly ...................... 386
If the vehicle battery is discharged .................................. 389
If your vehicle overheats ........... 392
If the vehicle becomes stuck ... 395
6-1. Specifications............................ 398 Maintenance data (fuel, oil level, etc.).................... 398
Fuel information ........................... 409
Tire information.............................. 412
6-2. Customization .......................... 424 Customizable features .............. 424
6-3. Initialization ............................... 429 Items to initialize ........................... 429 Reporting safety defects
for U.S. owners........................... 432
Seat belt instructions for Canadian owners
(in French) .................................... 433
Abbreviation list .................................. 436
Alphabetical index.............................. 438
What to do if... ...................................... 449
6Vehicle specifications
7For owners
Index

70
1-6. Theft deterrent system
Engine immobilizer system
■System maintenance
The vehicle has a maintenance-free type of 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
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.
For vehicles sold in Canada
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.
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.

Maintenance and care4
263
4-1. Maintenance and care ............................... 264
Cleaning and protecting the vehicle exterior............. 264
Cleaning and protecting the vehicle interior .............. 267
4-2. Maintenance .................. 270 Maintenance requirements ........................ 270
General maintenance .......... 272
Emission inspection and maintenance (I/M)
programs................................ 275 4-3. Do-it-yourself
maintenance ................ 276
Do-it-yourself service precautions ............................ 276
Hood ........................................... 279
Positioning a floor jack ......... 280
Engine compartment ........... 282
Tires............................................ 296
Tire inflation pressure........... 307
Wheels ........................................ 311
Air conditioning filter ............ 313
Electronic key battery........... 316
Checking and replacing fuses ......................................... 318
Headlight aim ......................... 332
Light bulbs ................................ 334

264
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.
●Turn the wipers off before washing the vehicle.
■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.
■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.
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.

265
4-1. Maintenance and care
4
Maintenance and care
■Bumpers
Do not scrub with abrasive cleaners.
■To prevent deterioration and body corrosion
●Wash the vehicle immediately in the following cases:
• After driving near the sea coast
• After driving on salted roads
• If you see coal tar or tree sap on the paint surface
• If you see dead insects, insect droppings or bird droppings on the paint
• After driving in an area contaminated with soot, oily smoke, mine dust, iron
powder or chemical substances
• If the vehicle becomes heavily soiled in dust or mud
• If liquids such as benzene and gasoline are spilled on the paint surface
●If the paint is chipped or scratched, have it repaired immediately.
CAUTION
■Exhaust pipes and rear bumper exhaust diffusers
Exhaust gasses cause the exhaust pipes and rear bumper exhaust diffusers to
become quite hot. Therefore, do not touch them while the engine is running or
immediately after turning the engine off.
When washing the vehicle, be careful not to touch the exhaust pipes and rear
bumper exhaust diffusers until they have cooled sufficiently, as touching hot exhaust
pipes and diffusers can cause burns.

266
4-1. Maintenance and care
NOTICE
■To protect your vehicle’s painted surfaces
Do not use organic cleaners such as benzene or gasoline.
■Cleaning the exterior lights
●Wash carefully. Do not use organic substances or scrub with a hard brush.
This may damage the surfaces of the lights.
●Do not apply wax on the surfaces of the lights.
Wax may cause damage to the lenses.
■To prevent damage to the windshield wiper arms
When lifting the wiper arms away from the windshield pull the driver side wiper arm
upward first, and repeat for the passenger side. When returning the wipers to their
original position, do so from the passenger side first.
■When using an automatic car wash
Set the wiper switch to “OFF”.
If the wiper switch is in “AUTO”, the wipers
may operate and the wiper blades may be
damaged.
“OFF”

267
4-1. Maintenance and care
4
Maintenance and care
Cleaning and protecting the vehicle interior
The following procedures will help protect your vehicle's interior and keep
it in top condition:
■ Protecting the vehicle interior
Remove dirt and dust using a vacuum cleaner. Wipe dirty surfaces
with a cloth dampened with lukewarm water.
■ Cleaning the leather areas
●Remove dirt and dust using a vacuum cleaner.
● Wipe any excess dirt and dust with a soft cloth dampened with
diluted detergent.
Use a diluted water solution of approximately 5% neutral wool
detergent.
● Wring out any excess water from the cloth and thoroughly wipe
off all remaining traces of detergent.
● Wipe the surface with a dry, so ft cloth to remove any remaining
moisture. Allow the leather to dry in a shaded and ventilated area.
■ Synthetic leather areas
●Remove loose dirt using a vacuum cleaner.
● Apply a mild soap solution to th e synthetic leather using a sponge
or soft cloth.
● Allow the solution to soak in fo r a few minutes. Remove the dirt
and wipe off the solution with a clean, damp cloth.

268
4-1. Maintenance and care
■Cleaning the inside of the rear window
Do not use glass cleaner to clean the rear window, as this may cause damage to the
rear window defogger heater wires or antenna. Use a cloth dampened with luke-
warm water to gently wipe the window cl ean. Wipe the window in strokes running
parallel to the heater wires or antenna.
■Caring for leather areas
Lexus recommends cleaning the interior of the vehicle at least twice a year to main-
tain the quality of the vehicle’s interior.
■Shampooing the carpets
There are several commercial foaming-type cleaners available. Use a sponge or
brush to apply the foam. Rub in overlappin g circles. Do not apply water. The excel-
lent results are obtained when keep ing the carpet as dry as possible.
■Seat belts
Clean with mild soap and lukewarm water using a cloth or sponge. Also check the
belts periodically for excessive wear, fraying or cuts.
CAUTION
■Water in the vehicle
●Be careful not to splash or spill liquid on the floor.
●Do not get any of the SRS components or wiring in the vehicle interior wet.
(  P. 7 7 )
Electrical malfunction may cause the airbag s to deploy or not function properly,
resulting in death or serious injury.