2011 Lexus IS250 key

5
When trouble arises
495
5-2. Steps to take in an emergency
Tr u n kTurn 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.
STEP1
STEP2

496
5-2. Steps to take in an emergency
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. 1 3 4 )
To start the engine: Press the “ENGINE START STOP” switch
within 10 seconds after the buzz er sounds, keeping the brake
pedal depressed.
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.
STEP3
STEP1
STEP2

5
When trouble arises
497
5-2. Steps to take in an emergency
To change “ENGINE START STOP” 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. 1 3 4 )
To start the engine: Press th e “ENGINE START STOP” switch
within 10 seconds after the buzz er sounds, keeping the clutch
pedal depressed.
In the event that the engine still cannot be started, contact your Lexus
dealer.
■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: Shi ft 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 a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery depletes.
(  P. 4 2 1 )
STEP3

542
6-2. Customization
Door lock
(
P. 4 3 )
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 doorsOnOff
Shifting gears to a posi-
tion other than P locks all
doors
OnOff
Steering
wheel
(
P. 6 8 )
Auto tilt-away functionOnOff
ItemFunctionDefault settingCustomizedsetting

543
6-2. Customization
6
Vehicle specifications
Pow e r w i n -
dows
(
P. 7 5 )
Linked door key opera-
tionOpen and close
Off
Open only
Close only
Wireless remote control
linked operationOffOpen only
Moon roof
(
P. 7 8 )
Linked door key opera-
tionOpen and close
Off
Open only
Close only
Linked operation of com-
ponents when door key is
used
Slide onlyTilt only
Wireless remote control
linked operationOffOpen only
Linked operation of com-
ponents when wireless
remote control is used
Slide onlyTilt only
Automatic
light control
system
(
P. 1 6 5 )
Light sensor sensitivityLevel 3Level 1 to 5
Ti m e e l a p s e d b e f o r e
headlights automatically
turn off after doors are
closed
30 seconds
0 seconds
60 seconds
90 seconds
Lights
(
P. 1 6 6 )
Daytime running light sys-
tem (U.S.A. only)OnOff
ItemFunctionDefault settingCustomizedsetting

565
Alphabetical index
Bluetooth® phone ............................... 284
Brake Fluid .......................................................... 394
Parking brake ........................................148
Brake assist ...............................................185
Care Exterior ................................................... 368
Interior....................................................... 371
Seat belts ................................................372
Cargo capacity ........................................ 191
Cargo hooks ...........................................347
CD changer ............................................ 227
CD player................................................. 227
Chains ......................................................... 195
Child restraint system Booster seats, definition...................109
Booster seats, installation ..................116
Convertible seats, definition ..........109
Convertible seats, installation .........116
Front passenger occupant classification system .......................104
Infant seats, definition ........................109
Infant seats, installation........................116
Installing CRS with LATCH anchors ................................................... 114
Installing CRS with seat belts ..........116
Installing CRS with top straps .........119 Child safety
Airbag precautions ..............................99
Battery precautions ............ 398, 500
Child restraint system ....................... 109
Child-protectors ................................... 44
How your child should wear the seat belt .......................................... 63
Installing child restraints..................... 113
Moon roof precautions....................... 81
Power window lock switch .............. 75
Power window precautions .............77
Removed electronic key battery precautions ....................... 422
Seat belt comfort guide .......................61
Seat belt extender precautions......65
Seat belt precautions .......................... 64
Seat heater precautions..... 337, 340
Trunk precautions................................. 49
Child-protectors ...................................... 44
Cigarette lighter....................................333
Cleaning Exterior................................................... 368
Interior .......................................................371
Seat belts ................................................ 372
Clock .........................................................328
Coat hooks ..............................................345
Compass ..................................................356
Condenser .............................................. 394
Console box ...........................................320
Cooling system Engine overheating............................ 501
Cornering assist sensors .....................179
C

566
Alphabetical index
Cruise control ......................................... 175
Cup holder .............................................. 322
Curtain shield airbags............................ 93
Customizable features ...................... 540
Daytime running light system ........... 166
DefoggerRear window .......................................... 214
Side mirror .............................................. 214
Dimension ............................................... 508
Dinghy towing ............................. 200, 201
Display Satellite switch mode ....................... 329
Trip information ..................................... 161
Warning message............................. 470
Do-it-yourself maintenance ............ 380
Door courtesy lights Door courtesy lights...........................315
Wattage.................................................. 524
Door pockets.......................................... 324
Doors Door lock................................ 28, 40, 43
Door windows ....................................... 75
Side mirrors .............................................. 72
Driver's seat belt reminder light .....463
Driving Correct posture ...................................... 91
Procedures ............................................. 124
Driving position memory ...................... 53 Electric power steering....................... 185
Electronic key
If the electronic key does not operate properly............................ 494
Emergency, in case of If the engine will not start ............... 490
If the shift lever cannot be shifted from P....................................492
If the vehicle has a discharged battery ................................................. 498
If the warning buzzer sounds........ 461
If the warning light turns on............ 461
If a warning message is displayed ............................................ 470
If you have a flat tire .......................... 481
If you lose your keys ........................ 493
If you think something is wrong ...................................................457
If the electronic key does not operate properly............................ 494
If your vehicle becomes stuck .... 504
If your vehicle has to be stopped in an emergency ............................ 506
If your vehicle needs to be towed ..................................................... 451
If your vehicle overheats..................501
Emergency flashers Switch ...................................................... 450
Engine Compartment ..................................... 386
Engine switch ........................................ 134
Hood ....................................................... 383
How to start the engine ................... 134
Identification number ...................... 509
If the engine will not start ............... 490
Ignition switch ....................................... 134
Overheating ..........................................501
D
E

568
Alphabetical index
Hands-free system for mobile phone ...............................284
Hazard lights Switch ......................................................450
Head restraints Adjusting .................................................. 57
Headlight aim .........................................438
Headlight cleaner ...................................174
Headlights Discharge headlight precautions ....................................... 447
Replacing light bulbs........................ 439
Switch ....................................................... 165
Wattage.................................................. 524
Heaters Seat heaters ............................. 335, 338
Side mirror .............................................. 214
Hill-start assist control ......................... 185
Hood ......................................................... 383
Hooks Cargo ...................................................... 347
Coat ......................................................... 345
Shopping bag ...................................... 347
Horn ............................................................ 150
I/M test ...................................................... 379
Identification Engine .................................................... 509
Vehicle ................................................... 509
Ignition switch.......................................... 134
Illuminated entry system ..................... 315
Indicator lights......................................... 157
Initialization Items to initialize .................................546 Inside rear view mirror .......................... 70
Interior lights
Interior lights .......................................... 315
Switch ........................................................ 317
Wattage ................................................. 524
Jack Positioning a floor jack ................... 384
Vehicle-equipped jack..................... 481
Jack handle .............................................. 481
Keyless entry ............................................. 40
Keys Electronic key ......................................... 24
Engine switch ........................................ 134
If you lose your keys ........................ 493
If the electronic key does not operate properly............................ 494
Key number.............................................. 24
Keyless entry........................................... 40
Keys.............................................................. 24
Mechanical key ......................................25
Wireless remote control key.......... 40H
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