fuses Lexus IS250 2010 Using The Air Conditioning System And Defogger / LEXUS 2010 IS350 IS250 OWNERS MANUAL (OM53A23U)

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3-6. Using the storage features
List of storage features............... 333
• Glove box .................................... 333
• Console boxes ........................... 334
• Overhead console .................. 335
• Cup holders................................. 336
• Bottle holders/
door pockets .............................. 338
3-7. Other interior features
Sun visors......................................... 339
Vanity mirrors ............................... 340
Clock .................................................. 341
Satellite switches .......................... 342
Ashtrays ........................................... 345
Cigarette lighter ........................... 346
Power outlet ................................... 347
Seat heaters................................... 348
Seat heaters and
ventilators ...................................... 351
Armrest ............................................ 354
Rear sunshade .............................. 355
Trunk storage extension ........... 357
Coat hooks .................................... 358
Floor mat.......................................... 359
Trunk features............................... 360
Garage door opener.................. 363
Compass.......................................... 369
Safety Connect ............................. 3734-1. Maintenance and care
Cleaning and protecting
the vehicle exterior................... 382
Cleaning and protecting
the vehicle interior ................... 385
4-2. Maintenance
Maintenance
requirements.............................. 388
General maintenance ............... 390
Emission inspection and
maintenance (I/M)
programs ...................................... 393
4-3. Do-it-yourself maintenance
Do-it-yourself service
precautions .................................. 394
Hood ................................................. 397
Positioning a floor jack.............. 398
Engine compartment................. 400
Tires .................................................... 414
Tire inflation pressure................. 425
Wheels ............................................. 429
Air conditioning filter................... 431
Electronic key battery ................ 434
Checking and replacing
fuses ................................................ 436
Headlight aim ............................... 450
Light bulbs ....................................... 452
4Maintenance and care

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3-4. Using the hands-free phone system (for mobile phones)
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Interior features
■Steering wheel switches
Vo l u m e
During an incoming call:
Adjusts the ring tone volume
During an ongoing call:
Adjusts the receiver volume
The voice guidance volume can-
not be adjusted using this but-
ton.
Off-hook switch
Turns the hands-free system
on/starts a call
On-hook switch
Turns the hands-free system
off/ends a call/refuses a call
Talk switch
Turns the voice command
system on (press)/turns the
voice command system off
(press and hold)
■Microphone

Maintenance and care4
381
4-1. Maintenance and care
Cleaning and protecting
the vehicle exterior............ 382
Cleaning and protecting
the vehicle interior ............. 385
4-2. Maintenance
Maintenance
requirements ....................... 388
General maintenance ......... 390
Emission inspection and
maintenance (I/M)
programs................................ 3934-3. Do-it-yourself
maintenance
Do-it-yourself service
precautions ........................... 394
Hood .......................................... 397
Positioning a floor jack ......... 398
Engine compartment ........... 400
Tires............................................. 414
Tire inflation pressure........... 425
Wheels ...................................... 429
Air conditioning filter ............ 431
Electronic key battery.......... 434
Checking and replacing
fuses ........................................ 436
Headlight aim ......................... 450
Light bulbs ................................ 452

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4-3. Do-it-yourself maintenance
4
Maintenance and care
ItemsPa r t s a n d t o o l s
Engine oil level (P. 4 0 3 )
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel, funnel (used
only for adding engine oil)
Fuses (P. 4 3 6 )• Fuse with same amperage rating as
original
Tire inflation pressure (P. 4 2 5 )• Tire pressure gauge
• Compressed air source
Headlight aim (P. 4 5 0 )• Phillips-head screwdriver
Radiator and condenser
(P. 4 0 8 )
Wa s h e r f l u i d (P. 4 1 3 )
• Water washer fluid containing anti-
freeze (for winter use)
•Funnel

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4-3. Do-it-yourself maintenance
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown.
If this happens, check and replace the fuses as necessary.
Turn the “ENGINE START STOP” switch OFF.
Engine compartment (type B fuse box): Remove the engine
compartment cover. (P. 4 0 2 )
Open the fuse box cover.
Engine compartment (type A fuse box)
Push the tabs in and lift the lid
off.
Engine compartment (type B fuse box)
Push the tabs in and lift the lid
off.STEP1
STEP2
STEP3

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4-3. Do-it-yourself maintenance
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 heater
and ventilator
16FR S/HTR RH15 ASeat heaters and ventilators
17ECU-IG RH10 A
Power seats, smart access system with
push-button start, AWD system, out-
side rear view mirrors, VDIM, air con-
ditioning system, pre-collision seat
belt, electric tilt and telescopic steer-
ing, power windows, navigation sys-
tem
■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. 4 5 2 )
●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.

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4-3. Do-it-yourself maintenance
4
Maintenance and care
CAUTION
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failing to do so may cause damage, and possibly a fire or injury.
●Never use a fuse of a higher amperage rating than indicated, or use any other
object in place of a fuse.
●Always use a genuine Lexus fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
This can cause extensive damage or even fire.
●Do not modify the fuses or the fuse box.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus
dealer.

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Alphabetical index
Engine compartment cover............. 402
Engine coolant
Capacity................................................. 525
Checking ............................................... 406
Preparing and checking
before winter ...................................... 210
Engine coolant temperature
gauge ........................................................ 151
Engine immobilizer system ................. 86
Engine oil
Capacity................................................. 523
Checking ............................................... 403
Preparing and checking
before winter ...................................... 210
Engine oil maintenance data ........... 405
EPS............................................................... 196
Event data recorder.............................469
First-aid kit storage belt..................... 360
Floor mat.................................................. 359
Fluid
Brake .......................................................408
Washer ..................................................... 413
Fog lights
Switch ........................................................168
Wattage ................................................. 534
Footwell lights........................................ 329
Front fog lights
Switch ........................................................168
Wattage ................................................. 534Front passenger occupant
classification system .......................... 104
Front passenger's seat belt
reminder light...................................... 473
Front seats
Adjustment .................................................51
Driving position memory .................. 53
Seat position memory ........................ 57
Front turn signal lights
Switch.........................................................147
Wattage ..................................................534
Fuel
Capacity ................................................. 522
Fuel gauge................................................ 151
Fuel pump shut off system............ 468
Gas station information ..................576
Information ........................................... 535
Refueling....................................................83
Fuel door .....................................................83
Fuel filler door ...........................................83
Fuel pump shut off system .................468
Fuses .......................................................... 436
Garage door opener ..........................363
Gas station information...................... 576
Gauges ........................................................151
Glove box ................................................333
Glove box light ...................................... 334
F
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570
Alphabetical index
Parking assist sensors .......................... 190
Parking brake .......................................... 148
Parking lights
Replacing light bulbs........................ 452
Switch ....................................................... 165
Wattage.................................................. 534
PCS ............................................................202
Personal lights
Switch ........................................................331
Power outlet............................................ 347
Power windows ........................................ 76
Pre-collision system.............................202
Radar cruise control ............................. 179
Radiator ................................................... 408
Radio ..........................................................233
RDS ............................................................235
Rear sunshade .......................................355
Rear turn signal lights
Replacing light bulbs........................ 452
Wattage.................................................. 534
Rear view mirror
Compass ...............................................369
Rear window defogger.......................228
Replacing
Electronic key battery...................... 434
Fuses ........................................................ 436
Light bulbs............................................. 452
Reporting safety defects for
U.S. owners ......................................... 558Safety Connect ..................................... 373
Scuff lights................................................ 329
Seat belts
Adjusting the seat belt ........................63
Automatic locking retractor ............64
Child restraint system
installation .............................................. 113
Cleaning and maintaining
the seat belts .................................... 386
Emergency locking retractor..........64
How to wear your seat belt ............. 62
How your child should wear
the seat belt.......................................... 65
Pregnant women,
proper seat belt use .........................64
Reminder light......................................473
Seat belt extenders.............................. 65
Seat belt pretensioners ......................63
Seat heaters ..................................348, 351
Seat position memory............................ 57
Seat ventilators ....................................... 351
Seating capacity.................................... 209
Seats
Adjustment ................................................ 51
Adjustment precautions ....................52
Child seats/child restraint
system installation.............................. 113
Cleaning ................................................ 385
Driver’s seat position memory .......53
Front passenger seat position
memory .................................................. 57
Head restraint ........................................ 59
Properly sitting in the seat.................. 91
Seat heaters ...............................348, 351
Ventilated seats.................................... 351
Service reminder indicators .............157P
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