cruise control Lexus IS250C 2012 Instrument cluster / LEXUS 2012 IS250C,IS350C (OM53A62U) Owner's Manual

468
4-3. Do-it-yourself maintenance
10ECU-IG LH10 A
Cruise control, air conditioning sys-
tem, power steering, rain sensor, anti-
glare inside rear view mirror, shift lock
system, tire inflation pressure warning
system, vehicle stability control
11FR S/HTR LH15 ASeat heaters and ventilators, air condi-
tioning system
12FR DOOR LH20 APower windows, outside rear view
mirrors
13SECURITY7. 5 ASmart access system with push-button
start
14H-LP LVL7. 5 AAutomatic head light leveling system
15LH-IG10 A
Charging system, headlight cleaner,
rear window defogger, electric cool-
ing fans, emergency flashers, turn sig-
nal lights, back-up lights, stop lights,
mirror heaters, seat belt pretensioner,
intuitive parking assist, cruise control,
PTC heater, exhaust system, smart
access system with push-button start
16FR WIP30 AWindshield wipers
FuseAmpereCircuit

506
5-2. Steps to take in an emergency
(If equipped)
Indicates intuitive parking assist malfunction.The malfunctioning assist-sensor is shown flashing on
the display.
(Flashing)
(If equipped)
Indicates a malfunction in the radar cruise control
system. Press the “ON-OFF” button once to deactivate the
system, and then press the button again to reactivate
the system.
Indicates a malfunction in the retractable hardtop
system.
MessageDetails

512
5-2. Steps to take in an emergency
(If equipped)
Indicates that intuitive
parking assist is dirty or
covered with ice.
Clean the sensor.
(Flashing)
(If equipped)
Indicates that the radar
cruise control sensor is
dirty or covered with ice.
Clean the sensor.
(Flashing and then con- tinuously on)
(Flashing)
(If equipped)Indicates that the radar
cruise control system is
unable to judge vehicle-
to-vehicle distance.
• Switch the driving mode to either the normal or
power mode.
• If the windshield wipers are on, turn them off or
set them to either the
intermittent or the slow
mode.
(Flashing)
(If equipped)
Indicates that your vehi-
cle is nearing the vehicle
ahead (in radar cruise
mode).
Slow the vehicle by apply-
ing the brakes.
MessageDetailsCorrection procedure

5
When trouble arises
513
5-2. Steps to take in an emergency
*: Refer to the separate “Scheduled Maintenance” or “Owner’s Manual Supple-ment” for the maintenance interval applicable to your vehicle.
(Flashing)
(If equipped)
Indicates that there is a
high possibility of a fron-
tal collision, or that the
pre-collision braking
function is operating.
Slow the vehicle by apply-
ing the brakes.
■Warning light display in dynamic radar cruise mode (if equipped)
In the following cases, the warning light may not be displayed even if vehicle-to-
vehicle distance closes.
●When your vehicle and the vehicle ahead are traveling at the same speed or the
vehicle ahead is traveling more quickly than your vehicle
●When the vehicle ahead is traveling at a very low speed
●Immediately after cruise control speed is set
●At the instant the accelerator pedal is depressed
MessageDetailsCorrection procedure

5
When trouble arises
525
5-2. Steps to take in an emergency
CAUTION
■When using the compact spare tire
●Remember that your compact spare tire is specifically designed for use with your
vehicle. Do not use your compact spare tire on another vehicle.
●Do not use two compact spare tires simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, deceleration and braking, as well as sharp cornering.
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failing to observe
this precaution may lead to an accident causing death or serious injury.
■When the spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
●ABS & brake assist
●VSC
●TRAC
●VDIM
●EPS
●Navigation system (if equipped)
●Intuitive parking assist (if equipped)
●Dynamic radar cruise control (if equipped)
●Cruise control (if equipped)
●PCS (if equipped)

620
Alphabetical index
Cigarette lighter.................................... 375
CleaningExterior ................................................... 402
Interior ..................................................... 407
Seat belts............................................... 408
Clock .........................................................370
Compass ................................................. 390
Condenser ............................................... 431
Console box ...........................................363
Cooling system Engine overheating .......................... 542
Cornering assist sensors .................... 213
Cruise control Cruise control ...................................... 195
Dynamic radar cruise control .......199
Cup holder .............................................. 364
Customizable features .......................595 Daytime running light system ........... 183
Defogger*
Rear window ........................................257
Side mirror.............................................257
Dimension ............................................... 560
Dinghy towing............................. 243, 244
Display Dynamic radar cruise control ....... 199
Satellite switch mode......................... 371
Trip information.....................................177
Warning message ............................ 504
Do-it-yourself maintenance ...............416
Door courtesy lights Door courtesy lights ........................ 359
Wattage ..................................................577
Doors Door lock .................................32, 44, 47
Door windows ........................................82
Side mirrors.............................................. 79
Driver's seat belt reminder light ..... 497
Driving Correct posture................................... 104
Procedures............................................. 138
Driving position memory........................ 61D

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”.