cruise control Lexus IS200t 2015 Owner's Guide

2594-5. Using the driving support systems
4
Driving
IS200t_EE(OM53D19E)
CAUTION
■Handling the radar sensor
Observe the following to ensure the cruise control system can function effectively.
Otherwise, the system may not detect correctly and could result in an accident.
●Keep the sensor and grille cover clean at all times.
Clean the sensor and grille cover with a soft cloth so you do not mark or damage
them.
●Do not subject the sensor or surrounding area to a strong impact.
If the sensor moves even slightly off position, the system may not work normally or
malfunction. If the sensor or surrounding area is subject to a strong impact, always
have the area inspected and adjusted by any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
●Do not disassemble the sensor.
●Do not attach accessories or stickers to the sensor, grille cover or surrounding area.
●Do not modify or paint the sensor and grille cover.
●If the radar sensor needs to be replaced, contact any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.

5108-2. Steps to take in an emergency
IS200t_EE(OM53D19E)
Indicates a malfunction in:
•The ABS; or
• The brake assist systemA buzzer also sounds.
→ Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
Indicates that the engine coolant temperature is too high
A buzzer also sounds.
→ P. 5 5 7
(If equipped)
Indicates that the radar sensor is dirty or covered with
ice
A buzzer also sounds.
→ Clean the sensor.
(If equipped)
Indicates that the dynamic radar cruise control system is
unable to judge vehicle-to-vehicle distance
A buzzer also sounds.
→ Tu r n o f f s n o w m o d e .
If the windshield wipers are on, turn them off or set
them to a mode other than AUTO or high speed
wiper operation.
(If equipped)
Indicates that the LDA (Lane Departure Alert) system is
suspended (The camera sensor temperature is higher
than the operation temperature range)
A buzzer also sounds.
→ Restart the LDA after driving for a while.
(If equipped)
Indicates that a Blind Spot Monitor sensor or the sur-
rounding area on the bumper is dirty or covered with ice
A buzzer also sounds.
→ Clean the sensor and its surrounding area on the
bumper.
Wa r n i n g m e s s a g eDetails/Actions

5118-2. Steps to take in an emergency
8
When trouble arises
IS200t_EE(OM53D19E)
(If equipped)
Indicates a malfunction in:
• The cruise control system; or
• The dynamic radar cruise control systemPress the “ON/OFF” button once to deactivate the
system, and then press the button again to reactivate
the system.
A buzzer also sounds.
→ Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
(If equipped)
Indicates a malfunction in the LDA (Lane Departure
Alert) system
A buzzer also sounds.
→ Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
(If equipped)
Indicates a malfunction in the PCS (Pre-Crash Safety
system)
A buzzer also sounds.
→ Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
(If equipped)
Indicates a malfunction in the BSM (Blind Spot Monitor)
system
A buzzer also sounds.
→ Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
Indicates abnormal engine oil pressure
A buzzer also sounds.
→ Immediately stop the vehicle in a safe place and
contact any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
Indicates that the automatic transmission fluid tempera-
ture is too high
A buzzer also sounds.
→ Immediately stop the vehicle in a safe place and
contact any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
Indicates that the Pop Up Hood system has operated
A buzzer also sounds.
→ Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
Wa r n i n g m e s s a g eDetails/Actions
(Flashes)

5168-2. Steps to take in an emergency
IS200t_EE(OM53D19E)
■Warning messages
The warning message illustrations used are intended as examples, and may differ from
the image that is actually displayed on the multi-information display.
■Warning message in radar cruise mode (if equipped)
In the following situations, the warning messag e may not be displayed even if vehicle-to-
vehicle distance decreases:
●When the speed of the preceding vehicle matches or exceeds your vehicle speed
●When the preceding vehicle is traveling at an extremely slow speed
●Immediately after the cruise control speed was set
●When depressing the accelerator pedal
■The LDA (Lane Departure Alert) lane departure warning function (if equipped)
In the following situations, the warning messag e will not be displayed even if a lane line is
crossed.
●When the vehicle speed deviates from the operating range of the LDA system func-
tions
●When the lane lines cannot be recognized
■Resetting the message indicating maintenance is required
Make sure to reset the oil change system. ( →P. 444 )
■Conditions that the tire pressure warning system may not function properly
(if equipped)
→ P. 4 5 5
■Warning buzzer
→P. 5 0 4

5328-2. Steps to take in an emergency
IS200t_EE(OM53D19E)
CAUTION
■When using the compact spare tire
●Remember that the compact spare tire provided is specifically designed for use with
your vehicle. Do not use your compact spare tire on another vehicle.
●Do not use more than one compact spare tires simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, abrupt steeri ng, sudden braking and shifting operations
that cause sudden engine braking.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may not
operate correctly:
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 80 km/h (50 mph) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure to observe
this precaution may lead to an accid ent causing death or serious injury.
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their storage
location to reduce the possibility of personal injury during a collision or sudden brak-
ing.
NOTICE
■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 performance.
■When replacing the tires (vehicles with a tire pressure warning system)
When removing or fitting the wheels, tires or the tire pressure warning valve and trans-
mitter, contact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional as the tire pressure warning valve and transmitter may be dam-
aged if not handled correctly.
• ABS & Brake assist
•VSC
•TRC
• Cruise control (if equipped)
• Dynamic radar cruise control (if equipped)
•PCS (if equipped)
•EPS • LDA (Lane departure alert)
(if equipped)
• Rear view monitor system (if equipped)
• Lexus parking assist monitor (if equipped)
• Lexus parking assist-sensor
(if equipped)
• Navigation system (if equipped)

594Alphabetical index
IS200t_EE(OM53D19E)
Card key...................................................... 116
Care ............................................... 428, 432Aluminum wheels .............................. 429
Exterior....................................................428
Interior ..................................................... 432
Seat belts................................................ 433
Cargo hooks ............................................ 418
CD player ................................................340
Chains ........................................................ 310
Child restraint system ............................58 Baby seats, definition .......................... 59
Baby seats, installation .......................68
Child seats, definition.......................... 59
Child seats, installation.......................68
Installing CRS with ISOFIX
rigid anchors.......................................... 71
Installing CRS with seat belts..........68
Installing CRS with top strap ...........72
Junior seats, definition ........................ 59
Junior seats, installation ..................... 70
Child safety................................................. 57
Airbag precautions .............................. 43
Battery precautions ............. 449, 556
Child restraint system.........................58
How your child should wear the seat belt ..............................38
Installing child restraints .................... 67 Moon roof precautions .................... 176
Power window lock switch ............169
Power window precautions............. 171
Rear door child-protectors ............ 126
Removed electronic key
battery precautions....................... 468
Seat belt precautions.......................... 40
Seat heater precautions ................. 409
Trunk precautions .............................. 132
Child-protectors ....................................126
Cleaning........................................428, 432 Aluminum wheels.............................. 429
Exterior ................................................... 428
Interior......................................................432
Seat belts ............................................... 433
Clock ...........................................................421
Coat hooks.............................................. 425
Condenser ............................................. 446
Console box .............................................415
Cooling system ..................................... 445
Engine overheating .......................... 557
Cruise control
Cruise control ..................................... 240
Dynamic radar cruise control ......244
Cup holders ..............................................416
Current fuel consumption ..................102
Curtain shield airbags ............................ 41
Customizable features........................577
C

595Alphabetical index
IS200t_EE(OM53D19E)
DAB (Digital Audio Broadcast) .... 338
Daytime running light system ............ 211
DefoggerOutside rear view mirrors.............404
Rear window ........................................404
Windshield ............................................404
Differential ................................................ 571
Digital Audio Broadcast (DAB) .... 338
Dimensions.............................................. 564
Display Drive information ................................ 102
Dynamic radar cruise control ..... 244
LDA (Lane Departure Alert).........261
Multi-information display ................ 100
Warning message............................ 506
Distance ..................................................... 102
Do-it-yourself maintenance ............. 437
Door courtesy lights Location..................................................... 411
Wattage.................................................. 573
Door lock
Doors ......................................................... 122
Smart entry & start system ..............134
Wireless remote control ................... 116 Doors........................................................... 122
Automatic door locking and
unlocking system ............................. 126
Door lock ................................................ 122
Open door warning buzzer .......... 123
Open door warning light .............. 502
Outside rear view mirrors ..............165
Rear door child-protector ............. 126
Side windows ........................................169
Drive information ...................................102
Drive info 1/Drive info 2 ..................... 104
Driver’s and front passenger’s
seat belt reminder light .................. 502
Driver’s seat position memory ..........153
Driving ........................................................178 Break-in tips........................................... 179
Correct driving posture.....................34
Driving mode select switch.......... 283
Procedures............................................. 178
Winter drive tips ................................ 309
Dynamic radar cruise control ......... 244
D

601Alphabetical index
IS200t_EE(OM53D19E)
MaintenanceDo-it-yourself maintenance ......... 437
Maintenance data..............................564
Maintenance requirements ..........435
Malfunction indicator lamp ............. 500
Master warning light ...........................502
Meter
Changing the display.......................... 97
Indicators .................................................. 92
Instrument panel light control......... 98
Meters ........................................................ 95
Multi-information display ................ 100
Warning lights ..........................................91
Mirrors Inside rear view mirror......................163
Outside rear view mirror defoggers...........................................404
Outside rear view mirrors.............. 165
Vanity mirrors........................................421 MirrorLink
........................................... 390
MMS (Multimedia messaging
service) .................................................. 374
Moon roof ................................................. 173
Door lock linked moon roof operation.............................................. 174
Jam protection function ................... 174
Operation ............................................... 173
MP3 disc.................................................. 340
Multi-information display ................... 100 Audio system-linked......................... 100
Drive information................................. 102
Dynamic radar cruise control ..................................................244
LDA (Lane Departure Alert) ........ 261
Navigation system-linked .............. 100
Settings ..................................................... 104
Switching the display .......................... 101
Warning message ............................506
M

603Alphabetical index
IS200t_EE(OM53D19E)
Radar cruise control (dynamic radar cruise control) ........................ 244
Radiator .................................................... 446
Radio ......................................................... 338
Rear Crossing Traffic Alert .............. 299
Rear fog light ............................................217 Replacing light bulb......................... 485
Switch ........................................................ 217
Rear passengers’ seat belt
reminder lights....................................502
Rear seat......................................................151
Fold down the seatback .................... 151
Luggage security system................ 130
Rear personal lights .............................. 412 Wattage.................................................. 573
Rear sunshade ....................................... 423 Operation.............................................. 423
Reverse operation feature ............ 423
Rear turn signal lights.......................... 207
Replacing light bulbs........................ 478
Turn signal lever ................................. 207
Wattage.................................................. 573
Rear view mirror
Inside rear view mirror......................163
Outside rear view mirrors.............. 165 Rear view monitor system ................ 273
Rear window defogger ..................... 404
Refueling ...................................................227
Capacity................................................. 566
Fuel types .............................................. 566
If the fuel filler door cannot
be opened ..........................................229
Opening the fuel tank cap.............229
Remote Touch
*
Replacing Electronic key battery ..................... 466
Fuses ........................................................ 469
Light bulbs .............................................473
Tires...........................................................522
Rev indicator ........................................... 104
Rev peak ................................................... 104
R
*: For vehicles with a navigation or multimedia system, refer to
“NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

606Alphabetical index
IS200t_EE(OM53D19E)
Speedometer ............................................95
Speed indicator ...................................... 104
Sport mode..............................................283
Steering lock ............................................ 198Column lock release......................... 198
Steering wheel ..........................................161
Adjustment............................................... 161
Audio switches....................................320
Heated steering wheel................... 409
Power easy access system ............ 153
Steering wheel position memory................................................ 153
Stop lights Emergency brake signal ................286
Replacing light bulbs....................... 485
Storage feature....................................... 414
Stuck If the vehicle becomes stuck ......... 561
Sun visors .................................................. 421
Sun shade Rear .......................................................... 423
Roof ............................................................ 174 switch settings ................................. 104
Switches
Audio remote control switches .............................................. 320
Automatic High Beam switch....... 213
BSM (Blind Spot Monitor) switch ................................................... 299
Cruise control switch .......... 240, 244
Door lock switches............................. 125
Driving mode select switch.......... 283
Driving position memory switches ................................................ 153
Emergency flashers switch........... 490
Engine switch ........................................ 196
Fog light switch..................................... 217
Heated steering wheel switch .... 409
Ignition switch ....................................... 196
LDA (Lane Departure Alert) switch ...................................... 261
Lexus parking assist-sensor
switch ................................................... 266
Light switch............................................. 210
Meter control switches...................... 101
Moon roof switches ........................... 173
Outside rear view mirror switches ................................................165
Paddle shift switches........................ 203
PCS OFF switch.................................292
Power door lock switch................... 125