2012 Lexus IS250C key

536
5-2. Steps to take in an emergency
Manual transmissionShift 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 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 4 8 )
To start the engine: Press the “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.
STEP1
STEP2
STEP3

5
When trouble arises
537
5-2. Steps to take in an emergency
■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 a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery depletes. ( P. 4 5 6 )

597
6-2. Customization
6
Vehicle specifications
Door lock
(
P. 4 7 )
Unlocking using a key
Driver's door
unlocked in one
step, both side
doors unlocked
in two steps
Both side 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 both side doors
(Manual transmissions)
OnOff
Opening driver's door
unlocks both side doors
(Automatic transmissions)
OffOn
Shifting gears to P
unlocks both side doorsOnOff
Shifting gears to position
other than P locks both
side doors
OnOff
Steering
wheel
(
P. 76 )
Auto tilt-away functionOnOff
ItemFunctionDefault settingCustomizedsetting

619
Alphabetical index
Back-up lightsWattage ..................................................577
Battery Checking ............................................... 433
If the vehicle has a discharged battery..................................................538
Preparing and checking before winter .................................... 238
Bluetooth
® audio* .............................. 309
Bluetooth® phone*............................. 328
Brake Fluid ............................................................ 431
Parking brake ........................................ 163
Brake assist ............................................... 219
Care Exterior ................................................... 402
Interior..................................................... 407
Seat belts ...............................................408
Cargo capacity ......................................234
Cargo hooks ............................................381
CD changer* ..........................................270
CD player* ..............................................270
Chains ....................................................... 238 Child restraint system
Booster seats, definition ...................124
Booster seats, installation ................. 131
Convertible seats, definition ...........124
Convertible seats, installation ......... 131
Front passenger occupant classification system ......................... 119
Infant seats, definition .........................124
Infant seats, installation ....................... 131
Installing CRS with LATCH anchors ..................................................129
Installing CRS with seat belts .......... 131
Installing CRS with top straps....... 134
Child safety Airbag precautions .............................. 114
Battery precautions ............. 435, 540
Child restraint system ........................124
How your child should wear the seat belt .......................................... 73
Installing child restraints................... 128
Power window lock switch ..............83
Power window precautions ........... 85
Removed electronic key battery precautions........................................ 457
Seat belt guide.......................................... 71
Seat belt extender precautions...... 75
Seat belt precautions .......................... 74
Seat heater precautions.................. 379
Trunk precautions................................. 53
B
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
C

621
Alphabetical index
Electric power steering ....................... 219
Electronic keyIf the electronic key does not operate properly ............................ 533
Emergency, in case of If a warning message is displayed ............................................ 504
If the electronic key does not operate properly ............................ 533
If the engine will not start ............... 529
If the retractable hardtop does not close ................................. 547
If the shift lever cannot be shifted from P ..................................... 531
If the vehicle has a discharged battery..................................................538
If the warning buzzer sounds...... 495
If the warning light turns on .......... 495
If you have a flat tire ......................... 518
If you lose your keys ........................ 532
If you think something is wrong................................................... 493
If your vehicle becomes stuck .... 545
If your vehicle has to be stopped in an emergency ......... 557
If your vehicle needs to be towed ................................................... 487
If your vehicle overheats................ 542
Emergency flashers Switch ...................................................... 486 Engine
Compartment...................................... 422
Engine switch ........................................ 148
Hood ......................................................... 419
How to start the engine ................... 148
Identification number ........................ 561
If the engine will not start................529
Ignition switch ....................................... 148
Overheating .........................................542
Engine compartment cover ............. 424
Engine coolant Capacity .................................................567
Checking ............................................... 429
Preparing and checking before winter ....................................238
Engine coolant temperature gauge....................................................... 166
Engine immobilizer system..................98
Engine oil Capacity ................................................ 564
Checking ............................................... 426
Preparing and checking before winter ....................................238
EPS .............................................................. 219
Event data recorder .................................21E
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

624
Alphabetical index
Keyless entry.............................................. 44
KeysElectronic key ......................................... 28
Engine switch........................................ 148
If the electronic key does not operate properly ............................ 533
If you lose your keys......................... 532
Key number ............................................. 28
Keyless entry ........................................... 44
Keys ............................................................. 28
Mechanical key...................................... 29
Wireless remote control key .......... 44
Light bulbs Replacing ............................................... 475
Wattage.................................................. 577
Lights Door courtesy lights.........................359
Emergency flasher switch .............486
Fog light switch .................................... 185
Hazard light switch ...........................486
Headlights switch ................................. 181
Interior light switch ............................360
Outer foot lights .................................359
Personal light switch ........................360
Replacing light bulbs........................ 475
Scuff lights..............................................359
Shift lever light .....................................359
Turn signal lever ................................... 162
Vanity lights ..........................................369
Wattage.................................................. 577
Load capacity ......................................... 237 Maintenance
Do-it-yourself maintenance........... 416
General maintenance....................... 412
Maintenance data ............................. 560
Maintenance requirements............ 410
Maintenance data ................................... 411
Manual transmission ............................ 160
Meter Instrument panel light control ....... 167
Meters ....................................................... 166
Micro dust and pollen filter* ............ 252
Mirrors Inside rear view mirror .......................78
Side mirror heater..............................257
Side mirrors.............................................. 79
Vanity mirrors ..................................... 369
MP3 disc*.................................................277
Multi-information display .................... 176
Noise from under vehicle ......................19K
L
M
N

625
Alphabetical index
Odometer ................................................. 166
OilEngine oil ............................................... 426
Opener Fuel filler door ........................................ 95
Hood ......................................................... 419
Trunk ............................................................. 51
Outer foot lights Outer foot lights................................. 359
Wattage ..................................................577
Outside rear view mirrors Adjusting and folding ..........................79
Mirror position memory ..................... 61
Outside temperature display ............ 177
Overheating, Engine ...........................542 Parking assist sensors* ........................ 213
Parking brake .......................................... 163
Parking lights
Replacing light bulbs ........................ 475
Switch.......................................................... 181
Wattage .................................................. 577
PCS ............................................................ 227
Personal lights Switch...................................................... 360
Power outlet............................................ 376
Power windows ........................................ 82
Pre-collision system............................. 227
Radar cruise control ............................. 199
Radiator ..................................................... 431
Radio*........................................................ 262
RDS* .......................................................... 264
Rear turn signal lights Replacing light bulbs ........................ 475
Wattage .................................................. 577
Rear view mirror Compass............................................... 390
Rear window defogger* .................... 257
Replacing Electronic key battery ..................... 456
Fuses........................................................ 458
Light bulbs ............................................. 475
Tires ........................................................... 518
Reporting safety defects for U.S. owners ..........................................602
Retractable hardtop ...............................86OP
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
R

629
Alphabetical index
Warning buzzersBrake system ....................................... 495
Open door .......................................... 497
Seat belt reminder ............................ 497
Warning lights Anti-lock brake system .................. 496
Brake assist system .......................... 496
Brake system ....................................... 495
Charging system ............................... 495
Electric power steering systemwarning light ..................................... 496
Low fuel level....................................... 497
Malfunction indicator lamp .......... 496
Master warning light ........................ 497
Open door ........................................... 497
Pre-collision system ......................... 496
Pretensioners ...................................... 496
Seat belt reminder light .................. 497
SRS airbags .......................................... 496
Tire pressure warning light........................................................ 497
Warning messages Dynamic radar cruise control ...................... 505, 507
Engine oil level .................................... 507
Engine oil maintenance.................. 507
Engine oil pressure........................... 504
Hood ....................................................... 507
Intuitive parking assist ........ 505, 507
Open door ........................................... 507
Parking brake ...................................... 507
Pre-collision system ............ 505, 507
Retractable hardtop ............ 505, 507 Smart access system with
push-button start ............................. 514
Steering lock........................................ 505
Trunk ....................................................... 507
Washer fluid ........................................ 507
Washer Checking ...............................................436
Preparing and checking before winter ....................................238
Switch........................................................ 187
Washing and waxing ...........................402
Weight Cargo capacity ................................... 234
Load limits ............................................. 237
Weight.................................................... 560
Wheels ....................................................... 451
Window glasses ...................................... 82
Window lock switch ...............................83
Windows Power windows ..................................... 82
Rear window defogger................... 257
Washer .................................................... 187
Windshield wiper de-icer..................258
Windshield wipers................................. 187
Wireless remote control key Replacing the battery...................... 456
WMA disc* ............................................. 277W
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.