2007 Lexus IS250 seats

204
3-2. Using the audio system
Adjusting the Automatic Sound Levelizer (ASL)
Press .
The ASL switches between ON and OFF modes each time the switch is
pressed.
ASL automatically adjusts the volume and tone quality according to the noise
level as you drive your vehicle.
Changing the listening position (type A only)
The sound feel setting can be changed to produce the best sound for
each listening position.
Press (position selector) to change the setting.
The display changes as follows each time the button is pressed.
Adjusting sound quality and volume balance
■Changing sound quality modes
Press
Pressing the button changes the sound mode in the following order.
BASMIDTREFA dBALSURROUND (type B only)
■Adjusting sound quality
Press or to adjust the level.
DisplayListening position
DRIVERPosition best suited to the driver’s seat
FRONTPosition best suited to the driver’s and front passenger
seats
REARPosition best suited to the rear seats
ALLPosition best suited to all seats

228
3-5. Other interior features
Seat heaters (if equipped)
■The seat heaters can be used when
The engine switch is in IG-ON mode.
■When not in use
Set the dial to 0. The indicator light turns off.
Heats the seats
The indicator light comes on.
The higher the number, the
warmer the seats become.
Vehicles with an automatic
transmission
Heats the seats
The indicator light comes on.
The higher the number, the
warmer the seats become.
Vehicles with a manual
transmission
Driver’s
seatFront
passenger’s
seat
Driver’s
seatFront
passenger’s
seat

230
3-5. Other interior features
Seat heaters and ventilators (if equipped)
■The seat heaters and ventilators can be used when
The engine switch is in IG-ON mode.
■When not in use
Set the dial to 0. The indicator light turns off.
The seat heaters and ventilators heat the seats and maintain good airflow
by blowing air from the seats.
Heats the seats
The indicator light (red) comes
on.
The higher the number, the
warmer the seats become.
Blows air from the seats
The indicator light (green)
comes on.
The higher the number, the
stronger the airflow becomes.
Heats the seats
The indicator light (red) comes
on.
The higher the number, the
warmer the seats become.
Blows air from the seats
The indicator light (green)
comes on.
The higher the number, the
stronger the airflow becomes.
Driver’s
seatFront
passenger’s
seat
Vehicles with an automatic
transmission
Driver’s
seatFront
passenger’s
seat
Vehicles with a manual trans-
mission

260
4-2. Maintenance
Vehicle interior
ItemsCheck points
Accelerator pedal• Moves smoothly (without uneven
pedal effort or catching)?
Automatic transmission “Park”
mechanism• Can the vehicle be hold securely
on an incline with the shift lever in
P?
Brake pedal
• Moves smoothly?
• Does it have appropriate clearance
and correct amount of free play?
Brakes
• Not pull to one side when applied?
• Loss of brake effectiveness?
• Spongy feeling brake pedal?
• Pedal almost touches floor?
Head restraints• Move smoothly and lock securely?
Indicators/buzzers•Function properly?
Lights
• Do all the lights come on?
• Headlights aimed correctly?
(P. 3 1 8 )
Parking brake
• Moves smoothly?
• Can hold the vehicle securely on
an incline?
Seat belts
• Does the seat belt system operate
smoothly?
• Are the belts undamaged?
Seats• Do the seat controls operate prop-
erly?

308
4-3. Do-it-yourself maintenance
Fuse layout and amperage ratings
■Engine compartment (type A)
FuseAmpereCircuit
1ABS NO.325AVDIM
2PWR HTR25A
3TURN-HAZ15AEmergency flashers, turn signals
4IG2 MAIN20AIG2, IGN, GAUGE
5RAD NO.230AAudio
6D/C CUT20ADOME, MPX-B
7RAD NO.130AAudio
8MPX-B10A
Headlights, front fog lights, parking
lights, license plate lights, windshield
washer, horn, power door lock system,
power windows, power seats, electric
tilt and telescopic steering column,
meter, smart access system with push-
button start, outside rear view mirrors,
air conditioning system, security sys-
tem
9DOME10AInterior lights, meter

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.

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