2012 Lexus IS220d cruise control

449
4-3. Do-it-yourself maintenance
4
Maintenance and care
IS250/220d/200d_EE
15FR DOOR LH20 APower windows, outside rear view
mirror
16SECURITY7.5 ASmart entry & start system
17H-LP LVL7.5 AAutomatic headlight leveling sys-
tem
18LH-IG10 A
Charging system, headlight
cleaner, rear window defogger,
electric cooling fans, emergency
flashers, turn signal lights, back-up
lights, stop lights, outside rear
view mirror defoggers, seat belts,
Lexus parking assist-sensor, cruise
control, PTC heater, rear sunshade,
exhaust system
19FR WIP30 AWindshield wipers
FuseAmpereCircuit

476
5-2. Steps to take in an emergency
IS250/220d/200d_EE
(If equipped)
Indicates a malfunction in the pre-crash safety
system.
(If equipped)
Indicates a malfunction in the automatic headlight
leveling system
(If equipped)
Indicates a Lexus parking assist-sensor malfunc-
tion.
The malfunctioning assist-sensor is shown flash-
ing on the display.
(Flashing)
(If equipped)
Indicates a malfunction in the dynamic radar
cruise control system.
Press the “ON-OFF” button once to deactivate
the system, and then press the button again to
reactivate the system.
Warning messageDetails

480
5-2. Steps to take in an emergency
IS250/220d/200d_EE
(If equipped)
Indicates that Lexus
parking assist-sensor is
dirty or covered with
ice.
Clean the sensor.
(Flashing)
(If equipped)
Indicates that the
dynamic radar cruise
control sensor is dirty or
covered with ice.
Clean the sensor.
(Flashing and then
continuously on)
(Flashing)
(If equipped)
Indicates that the
dynamic radar cruise
control system is unable
to judge vehicle-to-
vehicle distance.
• Switch the driving
mode to either the nor-
mal or power mode.
• If the windshield wip-
ers 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 vehi-
cle ahead (in dynamic
radar cruise mode).
Slow the vehicle by
applying the brakes.
Warning messageDetailsCorrection procedure

5
481
5-2. Steps to take in an emergency
When trouble arises
IS250/220d/200d_EE
(Flashing)
(If equipped)
Indicates that there is a
high possibility of a
frontal collision, or that
the pre-crash braking
function is operating.
Slow the vehicle by
applying the brakes.
(On some IS250
models)
Indicates that the fuel
injectors require main-
tenance.Have your Lexus dealer
replenish the injector
cleaner and reset the
message.
Warning messages in the radar cruise mode (if equipped)
In the following instances, there is a possibility that the approach warning
will not illuminate even when vehicle-to-vehicle distance is closing.
When the speed of the vehicle ahead matches or exceeds your vehicle’s
speed.
When the vehicle ahead is traveling at an extremely slow speed.
Immediately after the cruise control speed has been set.
At the instant the accelerator is applied.
Warning messageDetailsCorrection procedure

498
5-2. Steps to take in an emergency
IS250/220d/200d_EE
CAUTION
When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems
may not operate correctly:
ABS & Brake assist
VSC
TRC
EPS
VDIM
Navigation system (if equipped)
Lexus parking assist-sensor (if equipped)
Dynamic radar cruise control (if equipped)
Cruise control (if equipped)
PCS (if equipped)
NOTICE
Do not drive the vehicle with a flat tire.
Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and the
wheel beyond repair.
Be careful when driving over bumps with the compact spare tire installed on
the vehicle.
The vehicle becomes lower when driving with the compact spare tire com-
pared to when driving with standard tires. Be careful when driving over
uneven road surfaces.
Driving with tire chains and the compact spare tire
Do not fit tire chains to the compact spare tire.
Tire chains may damage the vehicle body and adversely affect driving per-
formance.

565
Alphabetical index
IS250/220d/200d_EE
Cruise control
Cruise control .......................198
Dynamic radar cruise control .....
202
Cup holder .................................359
Curtain shield airbags ................110
Customizable features ...............556
Daytime running light system ...188
Defogger*
Rear window.........................265
Side mirror ............................265
Dimension .................................534
Display
Dynamic radar cruise control .....
202
Satellite switch mode............365
Trip information ...................182
Warning message..................474
Do-it-yourself maintenance .......398
Door courtesy lights
Door courtesy lights .............351
Wattage .................................552
Door pockets .............................360
Doors
Door lock ....................37, 55, 58
Door windows ........................85
Double locking system .........101
Side mirrors ............................84
Driver's seat belt reminder light 470
Driving
Correct posture .....................108
Procedures ............................142
Driving position memory ............66Electric power steering ............. 224
Electronic key
If your electronic key battery is
discharged ......................... 519
Emergency, in case of
If a warning message is
displayed ........................... 474
If the engine will not start .... 515
If the shift lever cannot be
shifted from P .................... 517
If the vehicle has a discharged
battery................................ 524
If the warning buzzer sounds467
If the warning light turns on 467
If you have a flat tire ... 487, 499
If you lose your keys ........... 518
If you run out of fuel and
the engine stalls ................. 531
If you think something is
wrong................................. 465
If your electronic key does not
operate properly ................ 519
If your vehicle becomes stuck ...
532
If your vehicle has to be
stopped in an emergency ... 534
If your vehicle needs to be
towed ................................. 459
If your vehicle overheats ..... 528
Emergency flashers
Switch .................................. 458
Emergency tire puncture
repair kit ................................. 499
D
E
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

569
Alphabetical index
IS250/220d/200d_EE
Parking assist sensors ................217
Parking brake ............................171
PCS ............................................230
Personal lights
Switch ...................................354
Pollen removal mode*...............258
Power heater ..............................263
Power outlet ..............................370
Power windows ...........................85
Pre-crash safety system .............230
Radar cruise control ..................202
Radiator .....................................415
Radio* .......................................269
RDS* .........................................270
Rear fog lights
Replacing light bulbs ............453
Switch ...................................190
Wattage .................................552
Rear sunshade............................378
Rear turn signal lights
Replacing light bulbs ............453
Wattage .................................552
Rear window defogger* ............265
Replacing
Electronic key battery ...........434
Fuses .....................................438
Light bulbs ............................453Scuff lights ............................... 351
Seat belts
Adjusting the seat belt ........... 74
Child restraint system
installation ......................... 130
Cleaning and maintaining
the seat belts ...................... 393
Emergency locking retractor . 76
How to wear your seat belt .... 74
How your child should wear
the seat belt.......................... 77
Pregnant women, proper seat
belt use ................................ 76
Reminder light ..................... 470
Seat belt pretensioners ........... 75
Seat heaters ....................... 371, 374
Seat ventilators ......................... 374
Seats
Adjustment............................. 63
Adjustment precautions ......... 65
Child seats/child restraint
system installation ............. 130
Cleaning ............................... 392
Driving position memory....... 66
Head restraint......................... 71
Properly sitting in the seat ... 108
Seat heaters .................. 371, 374
Ventilated seats .................... 374P
R
S
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

572
Alphabetical index
IS250/220d/200d_EE
Warning buzzers
Brake system ........................467
Open door ............................470
Seat belt reminder .................470
Warning lights
Anti-lock brake system .........468
Brake assist system...............468
Brake system ........................467
Charging system ...................468
Electric power steering warning
light ....................................468
Electronic engine control
system.................................468
Fuel filter warning light........468
Low fuel level .......................470
Malfunction indicator lamp ..468
Master warning light ............470
Open door .............................470
Pre-crash safety system ........468
Pretensioners ........................468
Seat belt reminder light ........470
SRS airbags ..........................468Warning messages
Dynamic radar cruise
control ....................... 475, 477
Engine oil level .................... 477
Engine oil maintenance ....... 477
Engine oil pressure .............. 475
Hood .................................... 477
Lexus parking assist
sensor......................... 475, 477
Moon roof ............................ 477
Open door ............................ 477
Parking brake ....................... 477
Pre-crash safety system 475, 477
Smart entry & start system .. 482
Steering lock ........................ 475
Trunk ................................... 477
Washer fluid ........................ 477
Washer
Checking .............................. 420
Preparing and checking
before winter ..................... 239
Switch .................................. 191
Washing and waxing ................ 388
Weight ...................................... 534
Wheels ...................................... 428
Window glasses ......................... 85
Window lock switch ................... 85
Windows
Power windows...................... 85
Rear window defogger......... 265
Washer ................................. 191W