key Lexus IS250 2008 Service Manual
[x] Cancel search | Manufacturer: LEXUS, Model Year: 2008, Model line: IS250, Model: Lexus IS250 2008Pages: 462, PDF Size: 25.52 MB
Page 395 of 462

394
5-2. Steps to take in an emergency
08_IS350/250_U_(L/O_0708)
If 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. 
If communication between the electronic key and vehicle is interrupted
(
→P. 26) or the electronic key cann ot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In such cases, the doors and trunk can be
opened or the engine can be started by following the procedure below. 
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5
When trouble arises
395
5-2. Steps to take in an emergency
08_IS350/250_U_(L/O_0708)Tr u n k
Turn the mechanical key clock-
wise to open.
Changing “ENGINE START STOP” switch modes and starting the engine
Automatic transmissionShift the shift lever to P and apply the brakes.
Touch the Lexus emblem side of
the electronic key to the
“ENGINE START STOP” switch.
An alarm will sound to indicate that
the start function cannot detect the
electronic key that is touched to
the “ENGINE START STOP”
switch if any of the doors is opened
and closed while the key is touched
to the switch.
To change “ENGINE START STOP” switch modes: Within 10
seconds of the buzzer sounding, release the brake pedal and
press the “ENGINE START STOP” switch. Modes can be
changed each time the switch is pressed. 
(→P. 117)
To start the engine: Press the “ENGINE START STOP” switch
within 10 seconds after the buzzer sounds, keeping the brake
pedal depressed.
STEP1
STEP2
STEP3 
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396
5-2. Steps to take in an emergency
08_IS350/250_U_(L/O_0708)Manual transmission
Shift the shift lever to N and depress the clutch pedal.
Touch the Lexus emblem side of
the electronic key to the
“ENGINE START STOP” switch.
An alarm will sound to indicate that
the start function cannot detect the
electronic key that is touched to
the “ENGINE START STOP”
switch if any of the doors is opened
and closed while the key is touched
to the switch.
To change “ENGINE START ST OP” switch modes: Within 10
seconds of the buzzer sounding, release the clutch pedal and
press the “ENGINE START STOP” switch. Modes can be
changed each time the switch is pressed. 
(→ P. 117)
To start the engine: Press the “ENGINE START STOP” switch
within 10 seconds after the buzzer sounds, keeping the clutch
pedal depressed.
In the event that the engine still cannot be started, contact your Lexus
dealer.
STEP1
STEP2
■Stopping the engine
For vehicles with an automatic transmission: Shift the shift lever to P and press the
“ENGINE START STOP” switch as you normally do when stopping the engine.
For vehicles with a manual transmission: Shift the shift lever to N position and press
the “ENGINE START STOP” switch as you normally do when stopping the engine.
■Replacing the key battery
As the above procedure is the temporary measure, it is recommended that the
electronic key battery be replaced immediately when the battery depletes. 
( → P.  3 2 5 )
STEP3 
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438
6-2. Customization
08_IS350/250_U_(L/O_0708)
Door lock 
(
→P.  3 7 )
Unlocking using a key
Driver's door 
unlocked in one 
step, all doors 
unlocked in two 
steps
All doors 
unlocked in one  step
Speed-detecting auto-
matic door lock function 
(Manual transmissions)
OnOff
Speed-detecting auto-
matic door lock function 
(Automatic transmissions)
OffOn
Opening driver's door 
unlocks all doors (Manual 
transmissions)
OnOff
Opening driver's door 
unlocks all doors (Auto-
matic transmissions)
OffOn
Shifting gears to P 
unlocks all doors.OnOff
Shifting gears to position 
other than P locks all 
doors.
OnOff
ItemFunctionDefault settingCustomizedsetting 
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439
6-2. Customization
6
Vehicle specifications
08_IS350/250_U_(L/O_0708)
ItemFunctionDefault settingCustomizedsetting
Po w e r  w i n -
dows 
(
→P.  6 4 )  
Linked door lock opera-
tionOnOff
Linked door key opera-
tionOpen and closeOpen only
Close only
Wireless remote control 
linked operationOnOff
Moon roof
(
→P. 66) 
Linked door lock opera-
tionOnOff
Linked door key opera-
tionOpen and closeOpen only
Close only
Linked operation of com-
ponents when door key is 
used
Slide onlyTilt only
Wireless remote control 
linked operationOnOff
Linked operation of com-
ponents when wireless 
remote control used
Slide onlyTilt only
Automatic 
light control 
system 
(
→P.  1 4 3 )
Light sensor sensitivityLevel 3Level 1 to 5
Time elapsed before 
headlights automatically 
turn off after doors are 
closed
30 seconds
0 seconds
60 seconds
90 seconds 
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449
Alphabetical index
08_IS350/250_U_(L/O_0708)
Bottle holders .......................................... 241
BrakeFluid ............................................................301
Parking brake ........................................ 129
Brake assist ............................................... 170
Care Exterior ....................................................274
Interior...................................................... 277
Seat belts ............................................... 278
Cargo capacity ....................................... 179
Cargo hooks ............................................ 261
CD changer ...............................................211
CD player....................................................211
Chains.........................................................183
Child restraint system Booster seats, definition.................... 95
Booster seats, installation ................. 99
Convertible seats, definition ........... 95
Convertible seats, installation ........ 99
Front passenger occupant classification system ........................ 90
Infant seats, definition ......................... 95
Infant seats, installation....................... 99
Installing CRS with lower  anchorages ......................................... 102
Installing CRS with seatbelts .......... 99
Installing CRS with  top straps .......103 Child safety
Airbag precautions ............................. 85
Battery precautions ............. 304, 399
Child restraint system .........................95
Child-protectors ...................................38
How your child should wear 
the seatbelt............................................55
Installing child restraints.....................98
Moon roof precautions......................68
Power window lock switch .............. 64
Power window precautions ............65
Removed electronic key battery 
precautions........................................326
Seat belt comfort guide ..................... 53
Seat belt extender precautions...... 57
Seat belt precautions ..........................56
Seat heater precautions......252, 254
Trunk precautions................................. 43
Child-protectors ......................................38
Cigarette lighter.................................... 249
Cleaning Exterior.................................................... 274
Interior ..................................................... 277
Seat belts ................................................278
Clock ......................................................... 244
Coat hooks ..............................................259
Compass .................................................. 269
Condenser ............................................... 301
Console box ........................................... 237
Cooling system Engine overheating.......................... 400
Cornering assist sensors .................... 164
Cruise control Cruise control....................................... 152
Dynamic radar cruise control....... 155
C 
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450
Alphabetical index
08_IS350/250_U_(L/O_0708)
Cup holder .............................................. 239
Curtain shield airbags............................ 79
Customizable features .......................436
Daytime running light system ........... 144
DefoggerRear window........................................200
Side mirror ............................................200
Dimension ................................................406
Dinghy towing .............................. 188, 189
Display Dynamic radar crui se control ...... 155
Satellite switch mode ....................... 245
Trip information ................................... 140
Warning message............................. 369
Do-it-yourself maintenance .............286
Door courtesy lights Door courtesy lights........................... 231
Wattage.................................................. 420
Door pockets........................................... 241
Doors Door glasses ........................................... 64
Door lock................................. 22, 34, 37
Side mirrors ............................................... 61
Driver's seat belt reminder light ..... 362
Driving Correct posture ..................................... 77
Procedures ............................................ 108
Driving position memory ...................... 46 Electric power steering........................170
Electronic key
If the electronic key does not operate properly............................ 394
Emergency, in case of If the engine will not start ................. 391
If the shift lever cannot be shifted from P....................................392
If the vehicle has discharged  battery ..................................................397
If the warning buzzer sounds...... 360
If the warning light turns on.......... 360
If the warning message is  displayed ............................................ 369
If you have a flat tire  ........................ 382
If you lose your keys ........................ 393
If you think something is  wrong .................................................. 356
If the electronic key does not  operate properly............................ 394
If your vehicle becomes stuck .... 402
If your vehicle needs to be  towed ................................................... 350
If your vehicle overheats................400
Engine Compartment ......................................292
Engine switch .......................................... 117
Hood ....................................................... 289
How to start the engine ..................... 117
Identification number ...................... 407
If the engine will not start ................. 391
Ignition switch ......................................... 117
Overheating ........................................400
Engine compartment cover ............. 294
D
E 
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452
Alphabetical index
08_IS350/250_U_(L/O_0708)
HeadlightsDischarge headlights 
precautions .......................................348
Replacing light bulbs........................ 342
Switch ........................................................ 143
Wattage.................................................. 420
Heaters Seat heaters................................251, 253
Side mirror ............................................200
Hill-start assist control ......................... 170
Hood ..........................................................289
Hooks
Cargo ........................................................ 261
Coat ......................................................... 259
Shopping bag........................................ 261
I/M test ......................................................285
Identification Engine ..................................................... 407
Vehicle .................................................... 407
Ignition switch............................................ 117
Illuminated entry system ....................233
Indicator lights......................................... 136
Initialization Items to initialize ................................... 441
Inside rear view mirror ..........................60
Interior lights Interior lights........................................... 231
Switch ...................................................... 234
Wattage.................................................. 420
Jack Positioning a floor jack....................290
Replacing the wheel......................... 382
Jack handle ..............................................382 Keyless entry ............................................. 34
Keys
Electronic key .........................................20
Engine switch .......................................... 117
If you lose your keys ........................ 393
If the electronic key does not operate properly............................ 394
Key number..............................................20
Keyless entry............................................ 34
Keys..............................................................20
Mechanical key ......................................20
Wireless remote control key...........34
Light bulbs Replacing ...............................................342
Wattage ................................................. 420
Lights Door courtesy lights .......................... 231
Fog light switch .................................... 146
Headlights switch................................ 143
Interior light switch ............................234
Outer foot lights................................... 231
Overhead courtesy light ................. 231
Personal light switch .........................234
Replacing light bulbs ........................342
Scuff lighting........................................... 231
Shift lever lighting ................................ 231
Turn signal lever................................... 128
Vanity lights...........................................243
Wattage ................................................. 420
Load capacity.......................................... 182
I
J
K
L 
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453
Alphabetical index
08_IS350/250_U_(L/O_0708)
MaintenanceDo-it-yourself maintenance ......... 286
General maintenance ..................... 282
Maintenance data .............................406
Maintenance requirements ..........280
Manual transmission............................. 126
Meter Instrument panel light control .........131
Meters .......................................................130
Micro dust and pollen filter ................ 196
Mirrors Inside rear view mirror ...................... 60
Side mirror heater .............................200
Side mirrors............................................... 61
Vanity mirrors ..................................... 243
Moon roof ...................................................66
MP3 disc ................................................... 217
Multi-information display.................... 139
Odometer .................................................130
Oil Engine oil ............................................... 295
Opener Fuel filler door ........................................ 69
Hood ....................................................... 289
Trunk ............................................................. 41
Outer foot lights Outer foot lights................................... 231
Wattage ................................................. 420
Outside rear view mirrors
Adjusting and folding ........................... 61
Mirror position memory ....................46
Outside temperature display............140
Overhead console .............................. 238 Overhead courtesy lights
Overhead courtesy lights ................231
Wattage ..................................................420
Overheating, Engine.......................... 400
Parking assist sensors .......................... 164
Parking brake .......................................... 129
Parking lights
Replacing light bulbs ........................ 342
Switch........................................................ 143
Wattage ..................................................420
PCS ..............................................................176
Personal lights Switch....................................................... 234
Power outlet............................................250
Power windows ........................................ 64
Pre-collision system...............................176
Radar cruise control............................. 155
Radiator ..................................................... 301
Radio .......................................................... 204
RDS ............................................................205
Rear sunshade ....................................... 256
Rear turn signal lights Replacing light bulbs ........................ 342
Wattage ..................................................420
Rear view mirror Compass................................................269
Rear window defogger ..................... 200
Replacing  Electronic key battery ......................325
Fuses......................................................... 327
Light bulbs ............................................. 342
Reporting safety defects for 
U.S. owners .......................................... 444M
O
P
R 
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457
Alphabetical index
08_IS350/250_U_(L/O_0708)
Wheels ..................................................... 320
Window glasses .......................................64
Window lock switch................................64
WindowsPower windows .....................................64
Rear window defogger ..................200
Washer ..................................................... 147
Windshield wipers ................................. 147
Wireless remote control key Replacing the battery ...................... 325
WMA disc................................................. 217