2007 Lexus IS250 window

316
4-3. Do-it-yourself maintenance
FuseAmpereCircuit
13FR DOOR RH20APower windows, outside rear view
mirrors
14AM215ASmart access system with push-button
start
15RH-IG7. 5 A
Seat belts, Lexus parking assist-sen-
sor, automatic transmission, seat
heater and ventilator
16FR S/HTR RH15ASeat heaters and ventilators
17ECU-IG RH10A
Power seats, smart access system with
push-button start, AWD system, out-
side rear view mirrors, VDIM, VSC,
air conditioning system, pre-collision
seat belt, electric tilt and telescopic
steering, power windows, 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 1 9 )
●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.

5
When trouble arises
369
5-2. Steps to take in an emergency
When the electronic key does not operate properly
Locking and unlocking the doors, unlocking the trunk and key linked functions
Doors
Remove the cover on the driver’s
door handle using the mechanical
key in order to perform the follow-
ing operations.
Locks all doors
Closes the windows/moon roof
(turn and hold)
Unlocks the door
Turning the key rearward unlocks
the driver's door. Turning the key
once again unlocks the other
doors.
Opens the windows/moon roof
(turn and hold)
Return the cover to the original
position after use.
Tr u n k
Turn the mechanical key clock-
wise to open.
If the electronic key does not operate properly, the doors and trunk can be
opened by the mechanical key. The engine can be still started by following
the procedure.

5
When trouble arises
373
5-2. Steps to take in an emergency
■Avoiding a discharged battery
●Turn off the headlights and the audio system while the engine is turned off.
●Turn off any unnecessary electrical components when the vehicle is running at a
low speed for an extended period, such as in heavy traffic, etc.
■When the battery is removed or discharged
The power windows must be initialized.
(P. 4 5 )
CAUTION
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flammable
gas that may be emitted from the battery.
●Make sure the jumper cable is connected to the correct terminal and that it is not
unintentionally in contact with any part other than the intended terminal.
●Do not allow the jumper cables to come into contact with the “+” and “-” termi-
nals.
●Do not allow open flame or use matches, cigarette lighters or smoke near the
battery.
Maintain the engine speed on the second vehicle and turn the
ignition switch to the IG-ON mode, then start the vehicle’s
engine.
Once the vehicle’s engine has started, remove the jumper
cables in the exact reverse order in which they were con-
nected.
Once the engine starts, have the vehicle checked at your Lexus dealer
as soon as possible.STEP5
STEP6

403
6-1. Specifications
6
Vehicle specifications
Warning: The temperature grades for this tire are established for a tire that
is properly inflated and not overloaded.
Excessive speed, underinflation, or excessive loading, either separately or in
combination, can cause heat buildup and possible tire failure.
Glossary of tire terminology
Tire related termMeaning
Accessory weight
The combined weight (in excess of those standard
items which may be replaced) of automatic transmis-
sion, power steering, power brakes, power windows,
power seats, radio and heater, to the extent that these
items are available as factory-installed equipment
(whether installed or not)
Cold tire inflation pres-
sureTire pressure when the vehicle has been parked for
three hours or more, or has not been driven more
than 1 mile or 1.5 km under that condition
Curb weight
The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipped, air conditioning and
additional weight optional engine
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants speci-
fied in the second column of Table 1
* that follows

417
Alphabetical index
Care
Exterior ................................................... 252
Interior..................................................... 254
Seat belts ............................................... 255
Cargo capacity ....................................... 157
Cargo hooks .......................................... 238
CD changer .............................................189
CD player..................................................189
Chains.......................................................... 161
Child restraint system (CRS)
Booster seats, definition..................... 77
Booster seats, installation ................... 81
Convertible seats, definition ............ 77
Convertible seats, installation .......... 81
Front passenger occupant
classification system ......................... 72
Infant seats, definition .......................... 77
Infant seats, installation......................... 81
Installing CRS with lower
anchorages .......................................... 84
Installing CRS with seatbelts ............ 81
Installing CRS with top straps ........ 85
Child safety
Airbag precautions ..............................67
Battery precautions................ 281, 374
Child restraint system ......................... 77
Child-protectors................................... 20
How your child should wear
the seatbelt ............................................ 37
Installing child restraints .................... 80
Moon roof precautions ..................... 50
Power window lock switch ............. 45
Power window precautions............. 47
Removed electronic key battery
precautions ....................................... 303
Seat belt comfort guide..................... 35
Seat belt extender precautions ..... 39Seat belt precautions ..........................38
Seat heater precautions........229, 231
Trunk precautions................................. 25
Child-protectors ...................................... 20
Cigarette lighter.................................... 226
Cleaning
Exterior.................................................... 252
Interior ..................................................... 254
Seat belts ................................................255
Clock ...........................................................221
Coat hooks .............................................. 236
Compass .................................................. 246
Condenser .............................................. 278
Console box ............................................ 214
Cooling system
Engine overheating...........................375
Cornering assist sensors .................... 142
Cruise control
Cruise control....................................... 130
Dynamic radar cruise control....... 133
Cup holder ............................................... 216
Curtain shield airbags..............................61
Customizable features .......................406
Daytime running light system ........... 123
Defogger
Rear window ......................................... 178
Side mirror.............................................. 178
Dimension............................................... 380
Dinghy towing ................................166, 167
Display
Dynamic radar cruise control....... 133
Satellite switch mode ....................... 222
Trip information ..................................... 119
Warning message ............................. 344
Do-it-yourself maintenance ............. 263C
D

421
Alphabetical index
Parking lights
Replacing light bulbs ......................... 319
Switch ........................................................ 122
Wattage ................................................. 394
PCS (Pre-collision system) ................ 154
Personal lights
Switch .......................................................... 211
Micro dust and pollen removal
mode ........................................................ 174
Power outlet ............................................ 227
Power windows.........................................45
Pre-collision system (PCS) ................ 154
Radar cruise control ............................. 133
Radiator.....................................................278
Radio................................................................ 182
RDS (Radio data system)....................183
Rear sunshade....................................... 233
Rear turn signal lights
Replacing light bulbs ......................... 319
Wattage ................................................. 394
Rear view mirror
Compass ............................................... 246
Rear window defogger ........................ 178
Replacing
Electronic key battery ..................... 302
Fuses ........................................................ 304
Light bulbs .............................................. 319
Reporting safety defects for
U.S. owners ........................................... 414
Scuff lighting........................................... 209
Seat belts
Adjusting the seat belt ....................... 35
Automatic Locking Retractor
(ALR) ...................................................... 36Child restraint system
installation............................................. 80
Cleaning and maintaining
the seat belts .....................................255
Emergency Locking Retractor
(ELR) ....................................................... 36
How to wear your seat belt ............. 34
How your child should wear
the seat belt .......................................... 37
Pregnant women,
proper seat belt use ......................... 36
Reminder light ...................................... 341
Seat belt extenders .............................. 37
Seat belt pretensioners ...................... 35
Seat heaters ................................ 228, 230
Seat position memory ............................. 31
Seat ventilators ......................................230
Seating capacity ..................................... 160
Seats
Child seats/child restraint
system installation............................. 80
Cleaning ................................................. 254
Driving position memory .................. 28
Front passenger seat position
memory .................................................... 31
Head restraint ......................................... 33
Properly sitting in the seat ................ 59
Seat adjustment ..................................... 26
Seat adjustment precautions........... 27
Seat heaters ............................. 228, 230
Ventilated seats ..................................230
Service reminder indicators ...............115
Shift lever
Automatic transmission ..................... 101
If the shift lever cannot be
shifted from P ................................... 367
Manual transmission ......................... 105
R
S

422
Alphabetical index
Shift lever lighting .................................209
Shift lock system .................................... 367
Shopping bag hooks............................238
Side airbags................................................. 61
Side marker lights
Switch ........................................................ 122
Side mirror
Adjusting and folding ......................... 43
Driving position memory.................. 28
Smart access system with
push-button start
Entry function..............................................4
Starting the engine ............................... 98
Spare tire
Inflation pressure................................ 293
Spare tire................................................358
Spark plug ............................................... 385
Specifications ........................................ 380
Speedometer
Speed indicator ................................... 109
Speedometer........................................ 109
Steering wheel
Audio switches ................................... 207
Driving position memory.................. 28
Manual adjustment .............................. 40
Power adjustment .................................. 41
Storage feature....................................... 213
Stuck
If your vehicle becomes stuck......377
Sun visors .................................................. 219
Sunshade
Rear .......................................................... 233
Roof ............................................................. 49
Switch
ECT switch .............................................102
Engine switch.......................................... 98
ETCS switch.......................................... 105Fog light switch .................................... 125
Light switches.........................................122
Power door lock switch...................... 19
Power window switch ........................45
Satellite switches................................. 222
Transmission shift switches ............ 103
Window lock switch ............................45
Wipers and washer switch............. 126
Tachometer
Tacho indicator ....................................109
Tachometer............................................ 109
Tail lights
Switch .........................................................122
Theft deterrent system
Alarm.......................................................... 56
Engine immobilizer system ..............54
Theft prevention labels.......................... 58
Tire inflation pressure ......................... 293
Tire information
Glossary ................................................ 403
Size ........................................................... 400
Tire identification number ............. 399
Uniform tire quality grading........... 401
Tires
Chains......................................................... 161
Checking............................................... 283
If you have a flat tire ......................... 358
Inflation pressure ................................293
Inflation pressure sensor ............... 284
Information ........................................... 398
Replacing .............................................. 358
Rotating tires........................................ 283
Size ........................................................... 389
Snow tires.................................................. 161
Tools...........................................................358
T

424
Alphabetical index
Smart access system with
push-button start ............................355
Steering lock ........................................ 345
Tire inflation pressure
warning system ...................345, 349
Traction control (TRC)...................348
Trunk ........................................................ 349
Vehicle stability control
(VSC) .................................................. 348
Washer fluid ......................................... 349
Washer
Checking ............................................... 282
Preparing and checking
before winter ....................................... 161
Switch ........................................................ 126
Washing and waxing ........................... 252
Weight
Cargo capacity..................................... 157
Load limits .............................................. 160
Weight ................................................... 380
Wheels ...................................................... 297
Window glasses ...................................... 45
Window lock switch ............................... 45
Windows
Power windows..................................... 45
Rear window defogger ....................178
Washer ..................................................... 126
Windshield wipers.................................... 126
Wireless remote control
Replacing the battery ...................... 302
WMA disc ................................................ 195