2015 Lexus IS200t engine overheat

4096-1. Using the air conditioning system
6
Interior features
IS200t_EE(OM53D19E)
Turn the heated steering wheel on/off
The indicator light comes on when the
heated steering wheel is operating.
Heated steering wheel∗/seat heaters∗/seat ventila-
tors
∗
∗
: If equipped
Heated steering wheel and seat heaters heat the side grips of the steering
wheel and seats, respectively. Seat ventilators maintain good airflow by blow-
ing air from the seats.
CAUTION
●Care should be taken to prevent injury if anyone in the following categories comes in
contact with the steering wheel and seats when the heater is on:
• Babies, small children, the elderly, the sick and the physically challenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping drugs, cold
remedies, etc.)
●Observe the following precautions to prevent minor burns or overheating,
• Do not cover the seat with a blanket or cushion when using the seat heater.
• Do not use seat heater more than necessary.
NOTICE
●Do not put heavy objects that have an uneven surface on the seat and do not stick
sharp objects (needles, na ils, etc.) into the seat.
●To prevent battery discharge, do not use the functions when the engine is off.
Heated steering wheel

489
8When trouble arises
IS200t_EE(OM53D19E)
8-1. Essential informationEmergency flashers...................490
If your vehicle has to be stopped
in an emergency ....................... 491 8-2. Steps to take
in an emergency
If your vehicle needs to be towed................................ 492
If you think something is wrong....................................... 498
Fuel pump shut off system ...... 499
If a warning light turns on or a warning buzzer
sounds......................................... 500
If a warning message is displayed ................................506
If you have a flat tire (vehicles with
a spare tire)................................ 522
If you have a flat tire (vehicles with emergency
tire puncture repair kit)......... 533
If the engine will not start ........ 547
If the shift lever cannot be shifted from P ..................... 549
If the electronic key does not operate properly .............550
If the vehicle battery is discharged ............................. 553
If your vehicle overheats ......... 557
If the vehicle becomes stuck ...............................................561

5578-2. Steps to take in an emergency
8
When trouble arises
IS200t_EE(OM53D19E)
●The needle of the engine coolant temperature gauge (→P. 95) enters the red
zone or a loss of engine power is experienced. (For example, the vehicle
speed does not increase.)
●“Engine Coolant High Temperature” is shown on the multi-information dis-
play.
●Steam comes out from under the hood.
Stop the vehicle in a safe place and turn off the air conditioning system, and
then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled down
sufficiently, inspect the hoses and
radiator core (radiator) for any
leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact any authorized
Lexus dealer or repairer, or another
duly qualified and equipped profes-
sional.
If your vehicle overheats
The following may indicate that your vehicle is overheating.
Correction procedures
1
2
3
1
2

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

596Alphabetical index
IS200t_EE(OM53D19E)
E-mail ......................................................... 374
Eco drive mode .....................................283
Eco Driving Indicator ........................... 107
Eco Driving Indicator Light ............... 104
Elapsed time ............................................ 102
Electric Power Steering (EPS)........285Function ..................................................285
Warning light ........................................ 501
Electronic key............................................ 116
Battery-saving function.................... 135
If the electronic key does not operate properly ........................... 550
Replacing the battery.......................466
Emergency, in case of If a warning message is
displayed ........................................... 506
If the electronic key does not
operate properly ........................... 550
If the engine will not start ............... 547
If the shift lever cannot be shifted from P ...................................549
If the vehicle battery is discharged.........................................553
If the warning buzzer sounds ..... 500
If the warning light turns on ......... 500
If you have a flat tire ..............522, 533
If you think something is wrong.............................................. 498
If your vehicle becomes stuck...... 561
If your vehicle has to be stopped in an emergency............491
If your vehicle needs to be towed............................................. 492
If your vehicle overheats ................557 Emergency brake signal.................... 286
Emergency flashers ............................. 490
Emergency tire puncture
repair kit ................................................ 533
Engine ....................................................... 566 ACCESSORY mode ....................... 197
Compartment ....................................... 441
Engine switch ........................................ 196
Hood ....................................................... 439
How to start the engine ................... 196
Identification number.......................565
If the engine will not start ............... 547
Ignition switch (engine switch) ..... 196
Overheating ........................................ 557
Engine coolant....................................... 445 Capacity................................................. 569
Checking ............................................... 445
Preparing and checking
before winter.................................... 309
Engine coolant temperature
gauge ........................................................ 95
Engine immobilizer system .................. 77
Engine oil ................................................. 442 Capacity................................................. 567
Checking ................................................442
Preparing and checking
before winter.................................... 309
Engine oil maintenance data ........... 444
Engine switch ...........................................196
EPS (Electric Power Steering) ....... 285
Function.................................................. 285
Warning light.........................................501
E

602Alphabetical index
IS200t_EE(OM53D19E)
Navigation system*
Needle ....................................................... 104
Odometer................................................... 95
OilDifferential oil .........................................571
Engine oil ............................................... 567
Opener
Hood ........................................................439
Trunk ..........................................................129
Outer foot lights Location..................................................... 411
Replacing light bulbs......................... 481
Wattage.................................................. 573
Outside rear view mirrors ................. 165 Adjusting and folding........................ 165
BSM (Blind Sport Monitor)..........299
Linked mirror function
when reversing..................................167
Mirror position memory.................. 153
Outside rear view mirror defoggers ..........................................404
Outside temperature .............................95
Overheating ........................................... 557 Paddle shift switches ........................... 203
Parking assist sensors......................... 266
Parking brake......................................... 209
PCS
(Pre-Crash Safety system)..............291
Function.................................................... 291
PCS OFF switch.................................292
Warning light.........................................501
Personal lights..........................................412
Wattage ................................................. 573
Pollen removal mode.......................... 404
Pop-up display........................................ 104
Pop Up Hood............................................ 54
Power easy access system .................153
Power outlet ........................................... 422
Power steering (Electric power steering system)................................. 285
Warning light.........................................501
Power windows .......................................169
Door lock linked window operation................................................ 171
Jam protection function ................... 170
Operation ...............................................169
Window lock switch ..........................169
Pre-Crash Safety system (PCS) ......291
Function.................................................... 291
PCS OFF switch.................................292
Warning light.........................................501
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