2015 Lexus CT200h warning light

565
CT200h_OM_OM76174U_(U)
8
When trouble arises
8-2. Steps to take in an emergency
If your vehicle overheats
■If the high coolant temperature warning light comes on or flashes
Stop the vehicle in a safe place and turn off the air conditioning system, and
then stop the hybrid system.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the hybrid system 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 your Lexus
dealer.
The following may indicate that your vehicle is overheating.
●The high coolant temper ature warning light (→P. 528) comes on or flashes,
or a loss of hybrid system power is experienced. (For example, the vehicle
speed does not increase.)
●The warning message indicating overheats is shown on the multi-informa-
tion display. ( →P. 5 4 0 )
●Steam comes out from under the hood.
Correction procedures
1
2
3
1
2

614What to do if... (Troubleshooting)
CT200h_OM_OM76174U_(U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( →P. 5 2 9 )
●The parking brake indicator is on
Is the parking brake released? ( →P. 1 6 8 )
Depending on the situation, other type s of warning buzzer may also sound.
( → P. 5 2 7 , 5 3 4 )
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( →P. 7 5 )
To stop the alarm, turn the power switch to ON mode or start the hybrid system.
●Is the electronic key left inside th e vehicle or the moon roof opened?
Check the message on the multi-information display. ( →P. 5 3 4 )
●When a warning light turns on or a warning message is displayed, refer to
P. 5 2 7 , 5 3 4 . A warning buzzer sounds during driving
An alarm is activate
d and the horn sounds
A warning buzzer sounds wh en leaving the vehicle
A warning light turns on or a warning message is displayed

616Alphabetical index
CT200h_OM_OM76174U_(U)
Alphabetical index
A/C ..................................................408, 416Air conditioning filter ....................... 500
Automatic air conditioning system .......................................408, 416
Micro dust and pollen
filter ............................................... 412, 418
ABS (Anti-lock Brake System)....... 232
Function .................................................. 232
Warning light ...................................... 528
Air conditioning filter ..........................500
Air conditioning system ...........408, 416 Air conditioning filter ....................... 500
Automatic air conditioning system .......................................408, 416
Micro dust and pollen
filter ............................................... 412, 418
Airbags ........................................................ 37
Airbag operating conditions ........... 42
Airbag precautions for your child .......................................................... 39
Airbag warning light ........................ 528
Correct driving posture ....................30
Curtain shield airbag
operating conditions........................ 43
Curtain shield airbag
precautions...........................................40
Front passenger occupant
classification system .........................46
General airbag precautions............39
Locations of airbags ............................ 37 Modification and disposal of
airbags .....................................................42
Side airbag operating conditions ............................................. 43
Side airbag precautions .................... 40
Side and curtain shield airbags operating conditions ....................... 43
Side and curtain shield airbags
precautions .......................................... 40
SRS airbag instructions for
Canadian owners ..........................604
SRS airbags ..............................................37
Alarm ............................................................ 75 Alarm .......................................................... 75
Warning buzzer ................................. 527
Anchor brackets...................................... 55
Antenna Radio ................................262, 344, 460
Smart access system with push-button start......................114
Anti-lock brake system (ABS).........232 Function .................................................. 232
Warning light .......................................528
Approach warning ................................ 193
Assist grips .............................................. 440
A

618Alphabetical index
CT200h_OM_OM76174U_(U)
Back door ................................................... 110
Back-up lightsReplacing light bulbs ......................... 516
Wattage ..................................................579
Battery (12-volt battery)
If the 12-volt battery is discharged .......................................... 561
Preparing and checking before winter ....................................................245
Warning light ....................................... 527
Battery (traction battery) ..................... 68
Bluetooth
®.................................... 316, 390
Audio system ............................310, 369
Hands-free system (for cellular phone) ............. 284, 371
Bottle holders......................................... 428
Brake Fluid........................................................... 577
Parking brake........................................ 168
Regenerative braking .........................66
Warning light ....................................... 527
Brake assist ............................................. 232
Break-in tips..............................................145
Brightness control Instrument panel light
control .................................................... 85 Card key ................................................... 100
Care
Aluminum wheels ................................ 461
Exterior ...................................................460
Interior ..................................................... 463
Seat belts................................................ 463
Cargo capacity .......................................153
Cargo hooks ...........................................432
CD player..................................... 265, 347
Chains........................................................246
Child restraint system ............................52
Booster seats definition ..................... 53
Booster seats installation .................. 59
Convertible seats definition ............ 53
Convertible seats installation .................................... 57, 58
Front passenger occupant
classification system......................... 46
Infant seats definition........................... 53
Infant seats installation ........................ 57
Installing child restraint system
with LATCH anchors ..................... 56
Installing child restraint system
with seat belts...................................... 57
Installing child restraint system
with top tether strap......................... 60
LATCH anchors ................................... 55
BC

619Alphabetical index
CT200h_OM_OM76174U_(U)
Child safety ..................................................5112-volt battery
precautions...........................486, 564
Airbag precautions .............................. 39
Back door precautions ...................... 112
Child restraint system ......................... 52
How your child should wear the seat belt .............................. 33
Installing child restraints.....................55
Moon roof precautions...................... 141
Power window lock switch ............ 136
Power window precautions .......... 138
Rear door child-protectors ...........108
Removed key battery precautions....................................... 503
Seat belt extender
precautions...........................................35
Seat belt precautions ..........................35
Seat heater precautions.................. 423
Child-protectors.................................... 108
Cleaning....................................... 460, 463 Aluminum wheels ............................... 461
Exterior................................................... 460
Interior .....................................................463
Seat belts ................................................463
Clock ......................................................... 438
Compass .................................................. 447
Condenser .............................................. 482
Console box ........................................... 428
Coolant
Capacity .................................................575
Checking............................................... 480
Preparing and checking before winter ....................................245 Cooling system ..................................... 480
Hybrid system overheating ..........565
Consumption screen ............................... 91
Cruise control Cruise control ...................................... 186
Dynamic radar cruise control................................................... 189
Cup holders............................................ 428
Curtain shield airbags ............................ 37
Customizable features ........................591
Daytime running light system............ 170
Defogger
Outside rear view mirrors ........................................ 412, 418
Rear window ............................... 412, 418
Windshield................................... 412, 418
Dimension ................................................572
Dinghy towing ......................................... 155
Display Drive information ..................................88
Dynamic radar cruise control................................................... 189
Energy monitor........................................ 91
Multi-information display..................88
Warning messages .......................... 534
Do-it-yourself maintenance............... 471
D

620Alphabetical index
CT200h_OM_OM76174U_(U)
DoorsAutomatic door locking and
unlocking system .............................108
Back door .................................................110
Door glasses ......................................... 136
Door lock ................................................ 105
Open door warning buzzer........ 528
Open door warning light.............. 528
Outside rear view mirrors .............. 134
Rear door child-protectors ...........108
Side doors .............................................. 105
Drive information ....................................88
Driver’s seat belt reminder light.......................................................... 529
Driver’s seat position memory ..........123
Driving Break-in tips .......................................... 145
Correct posture.....................................30
Driving mode select switch ............231
Hybrid vehicle driving tips............. 243
Procedures ............................................ 144
Winter drive tips ................................. 245
Driving position memory.....................123 Memory recall function.....................124
Dynamic radar cruise control Function ................................................... 189
Warning message ............................ 539 ECO lamp.................................................. 86
EDR (Event data recorder)................... 12
Electric motor
Location .................................................... 64
Specification ......................................... 573
Electric Power Steering (EPS) Function .................................................. 232
Warning light .......................................528
Electronic key
If the electronic key does not operate properly ............................559
Replacing the battery ......................502
Emergency flashers ............................ 520
Emergency, in case of If a warning buzzer sounds .......... 527
If a warning light turns on .............. 527
If a warning message is
displayed ............................................ 534
If the 12-volt battery is
discharged...........................................561
If the electronic key does not
operate properly ............................559
If the hybrid system will
not start ............................................... 557E

621Alphabetical index
CT200h_OM_OM76174U_(U)
If you have a flat tire ..........................547
If you lose your keys ................102, 104
If you think something is wrong ...................................................526
If your vehicle becomes stuck ..................................................... 569
If your vehicle has to be stopped in an
emergency.......................................... 521
If your vehicle needs to be
towed.................................................... 522
If your vehicle overheats ............... 565
Energy monitor ..........................................91
Engine Accessory mode................................. 157
Compartment ...................................... 476
Engine switch ........................................ 156
Hood ........................................................ 473
How to start the hybrid system ................................................... 156
Identification number .......................573
If your vehicle has to be stopped in an emergency ........... 521
Ignition switch
(power switch).................................. 156
Overheating ........................................ 565
Power switch......................................... 156 Engine compartment cover.............. 477
Engine coolant
Capacity ................................................. 575
Checking .............................................. 480
Preparing and checking before winter .................................... 245
Engine oil Capacity ................................................. 574
Checking ................................................477
Oil pressure warning light ............ 527
Engine oil maintenance data ............466
Engine switch........................................... 156 Auto power off function .................. 158
Changing the power switch modes .................................................... 157
If your vehicle has to be stopped
in an emergency............................... 521
Starting the hybrid system...............156
EPS (Electronic Power Steering) Function .................................................. 232
Warning light .......................................528
EV indicator ...............................................66
EV drive mode ........................................160
Event data recorder (EDR)................... 12
First-aid kit storage belt......................432
Flat tire .......................................................547
Floor mats................................................... 28
Fluid
Brake........................................................ 577
Transmission ........................................ 576
Washer ...................................................483
Fog lights
Replacing light bulbs .............. 512, 517
Switch ........................................................ 172
Wattage ................................................. 579
F

623Alphabetical index
CT200h_OM_OM76174U_(U)
Hood .......................................................... 473Warning message ............................ 535
Hooks Cargo hooks ........................................ 432
Retaining hooks (floor mat) .............28
Horn .............................................................129
Hybrid battery (traction battery) Location .....................................................68
Specification .........................................574
Hybrid battery air vent .......................... 69
Hybrid system ........................................... 64 Emergency shut off system ..............69
Energy monitor/consumption screen ..........................91
EV drive mode..................................... 160
High voltage components ...............68
Hybrid System Indicator ...................86
Hybrid system precautions ..............68
Hybrid vehicle driving tips............. 243
If the hybrid system will not start ........................................................557
Overheating ........................................ 565
Power switch......................................... 156
Regenerative braking .........................66
Starting the hybrid system .............. 156
Vehicle proximity notification
system .....................................................65
Hybrid System Indicator....................... 86
Hybrid transmission ..............................162 I/M test ......................................................470
Identification
Engine ..................................................... 573
Vehicle .................................................... 572
Ignition switch (Power switch).......... 156
Auto power off function .................. 158
Changing the power switch modes .................................................... 157
If your vehicle has to be stopped
in an emergency............................... 521
Starting the hybrid system...............156
Illuminated entry system ....................426
Immobilizer system ................................. 73
Indicators .................................................... 80
Initialization Engine oil maintenance data ....... 466
Items to initialize .................................599
Tire pressure warning system ..................................................489
Inside rear view mirror.......................... 131
Instrument panel light control ............ 85
Interior lights ...........................................425 Switch ...................................................... 426
Wattage ................................................. 579
Intuitive parking assist
Function ....................................................199
Warning message............................. 536I