2009 Lexus IS F navigation system

334
4-3. Do-it-yourself maintenance
08_IS F_U_(L/O_0808)
FuseAmpereCircuit
13FR DOOR RH20 APower windows, outside rear view
mirrors
14AM27. 5 ASmart access system with push-button
start
15RH-IG7. 5 A
Seat belts, intuitive parking assist,
automatic transmission, seat heaters
and ventilators
16FR S/HTR RH15 ASeat heaters and ventilators
17ECU-IG RH10 A
Power seats, smart access system with
push-button start, outside rear view
mirrors, VDIM, air conditioning sys-
tem, pre-collision seat belt, electric tilt
and telescopic steering, power win-
dows, navigation system
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb may
need replacement. (→P. 3 3 8 )
●If the replaced fuse blows again, have the vehicle inspected by your Lexus
dealer.
■If there is an overload in the circuits
The fuses are designed to blow before the entire wiring harness is damaged.

386
5-2. Steps to take in an emergency
08_IS F_U_(L/O_0808)
CAUTION
■When using the compact spare tire
●Remember that your compact spare tire is specifically designed for use with your
vehicle. Do not use your compact spare tire on another vehicle.
●Do not use more than one compact spare tire simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, deceleration and braking, as well as sharp cornering.
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failing to observe
this precaution may lead to an accident causing death or serious injury.
■When the spare tire is installed
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
●ABS & brake assist
●VSC
●TRAC
●VDIM
●Navigation system (if equipped)
●Intuitive parking assist (if equipped)
●Dynamic radar cruise control (if equipped)
●Cruise control (if equipped)
●PCS (if equipped)
●AFS

Index
439
08_IS F_U_(L/O_0808)
Abbreviation list ..................... 440
Alphabetical index .................. 442
What to do if... ........................ 453
For details of equipment related to the navigation system,
such as the audio system, refer to the “Navigation System
Owner's Manual”.

451
Alphabetical index
08_IS F_U_(L/O_0808)
Warning buzzersBrake system ....................................... 355
Open door ..........................................358
Seat belt reminder ............................358
Warning lights Anti-lock brake system .................. 356
Automatic transmission fluid temperature warning light.........358
Brake assist system .......................... 356
Brake system ....................................... 355
Charging system ............................... 356
Electric power steering warning light ..................................... 356
Low fuel level.......................................358
Malfunction indicator lamp .......... 356
Master warning light ........................358
Open door ...........................................358
Pre-collision system ......................... 356
Pretensioners ...................................... 356
Seat belt reminder light ..................358
SRS airbags .......................................... 356
Tire pressure warning
light........................................................358 Warning messages
Dynamic radar
cruise control........................367, 370
Engine oil level ....................................370
Engine oil maintenance ..................370
Engine oil pressure .......................... 366
Engine oil temperature .................. 366
Hill-start assist control .................... 369
Hood ........................................................370
Intuitive parking assist ..........367, 370
Moon roof .............................................370
Open door ............................................370
Parking brake ......................................370
Pre-collision system..............367, 370
Smart access system with push-button start ............................ 375
Steering lock......................................... 367
Tire pressure warning system....................367, 370
Traction control ................................. 369
Trunk ........................................................370
Vehicle stability control ................. 369
Washer fluid .........................................370
Washer
Checking ...............................................299
Preparing and checking before winter ..................................... 184
Switch........................................................ 146
Washing and waxing ...........................268W
*: Refer to the “Navigation System Owner’s Manual”