Page 627 of 696

5
627
5-2. Steps to take in an emergency
When trouble arises
CT200h_EE (OM76041E)
If your vehicle overheats
Correction procedures
If the high coolant temperature warning light comes on or
flashes
Stop the vehicle in a safe place and turn off the air condi-
tioning system.
Check to see if steam is coming out from the engine area.
If you see steam:
Stop the hybrid system. Carefully lift the hood after the
steam subsides and then restart the hybrid system.
If you do not see steam:
Leave the hybrid system operating and carefully lift the
hood.
Check to see if the cooling fans are operating.
If the fans are operating:
Wait until the high coolant temperature warning light goes
off and then stop the hybrid system.
If the fans are not operating:
Stop the hybrid system immediately and call any authorized
Lexus dealer or repairer, or another duly qualified and
equipped professional.
The following may indicate that your vehicle is overheating:
The high coolant temperature warning light comes on or
flashes:
The engine may be overheating.
“HYBRID SYSTEM OVERHEAT” is shown on the multi-
information display:
STEP1
STEP2
STEP3
Page 630 of 696
630
5-2. Steps to take in an emergency
CT200h_EE (OM76041E)Add power control unit coolant
if necessary.
Water can be used in an emer-
gency if power control unit
coolant is unavailable. (P.
645)
Have the vehicle inspected at the nearest authorized Lexus dealer
or repairer, or another duly qualified and equipped professional as
soon as possible.
STEP5
Overheating
The following symptoms may occur when your vehicle is overheating:
Hybrid system output decreases.
Steam comes out from under the hood.
Page 682 of 696

682
Alphabetical index
CT200h_EE (OM76041E)
Child safety
Airbag precautions................155
Back door precautions ............91
Child restraint system ...........163
Child-protectors ......................86
How your child should wear
the seat belt.........................107
Installing child restraints ......173
Moon roof precautions .........126
Power window lock switch...120
Power window precautions...122
Removed electronic key battery
precautions .........................519
Seat belt precautions .............109
Seat heater precautions .........456
12-volt battery precautions ...500
Child-protectors...........................86
Cleaning
Exterior .................................466
Interior ..................................471
Seat belts...............................472
Clock
*.......................................450
Condenser ..................................494
Console box ...............................443
Cooling system
Engine overheating ...............627
Hybrid system overheating ...627
Cruise control
Cruise control .......................248
Dynamic radar cruise control .....
252
Cup holders ...............................444Curtain shield airbags ............... 148
Customizable features .............. 655
Daytime running light system .. 235
Defogger
Rear window ........................ 323
Side mirrors ......................... 323
Dimensions ............................... 638
Display
Dynamic radar cruise
control ............................... 252
Multi-information display.... 226
Trip information .................. 228
Warning message................. 565
Do-it-yourself maintenance ...... 477
Door lock
Back door............................... 89
Side doors .............................. 85
Smart entry & start system .... 59
Wireless remote control ......... 80
Doors
Back door............................... 89
Door glasses......................... 119
Door lock ................... 59, 80, 85
Rear door child protector ....... 86
Side doors .............................. 85
Driver’s seat belt reminder light562
Driver’s seat position memory ... 98
Driving
Break-in tips ........................ 185
Correct posture .................... 146
Procedures ........................... 184
Winter driving tips ............... 304
Driving position memory ........... 98
D
Page 683 of 696

683
Alphabetical index
CT200h_EE (OM76041E)
Electric power steering ..............285
Electronic key
If the electronic key does not
operate properly .................617
Replacing battery ..................515
Emergency, in case of
If a warning buzzer sounds ...558
If a warning light turns on ....558
If a warning message is
displayed ............................565
If the electronic key does not
operate properly .................617
If the hybrid system will not
start .....................................614
If the 12-volt battery is
discharged ..........................620
If you have a flat tire ...586, 600
If you lose your keys ............616
If you think something is
wrong .................................557
If your vehicle becomes stuck ....
632
If your vehicle has to be stopped
in an emergency .................634
If your vehicle needs to be
towed ..................................551
If your vehicle overheats ......627
Emergency brake signal ............286
Emergency flashers ...................550Engine
Accessory mode................... 197
Compartment ....................... 485
Hood .................................... 481
How to start the hybrid
system................................ 196
Identification number .......... 639
If the hybrid system will not
start .................................... 614
Ignition switch ..................... 196
Overheating ......................... 627
“POWER” switch ................ 196
Engine compartment cover....... 486
Engine coolant
Capacity ............................... 645
Checking .............................. 491
Preparing and checking
before winter ..................... 304
Engine/power control unit coolant
Capacity ............................... 645
Checking .............................. 491
Preparing and checking
before winter ..................... 304E
*: For vehicles with a navigation system, refer to
the “Navigation System Owner’s Manual”.
Page 687 of 696

687
Alphabetical index
CT200h_EE (OM76041E)
Outside rear view mirrors
Adjusting and folding ...........114
Driving position memory .......98
Mirror position memory .........98
Outside rear view mirror
defogger switch
*....................323
Outside temperature display ......216
Overhead console ......................446
Overheating, Engine ..................627
Overheating, Hybrid system......627
Parking brake ............................214
PCS ............................................292
Personal lights
Switch ...................................439
Wattage .................................652
Pollen removal mode.................317
Power outlet ..............................451
“POWER” switch ......................196
Power windows .........................119
Pre-crash safety system .............292
Push-button start system .............75Radar cruise control system ..... 252
Radiator .................................... 494
Radio ....................................... 329
Radio data system..................... 332
RDS .......................................... 332
Rear turn signal lights
Replacing light bulbs ........... 534
Wattage ................................ 652
Rear view monitor system ........ 275
Rear window defogger
*........... 323
Rear window wiper and
washer .................................... 245
Remote Touch
*
Replacing
Electronic key battery .......... 515
Fuses .................................... 520
Light bulbs ........................... 534
Tires ..................................... 586
P
R
*: For vehicles with a navigation system, refer to
the “Navigation System Owner’s Manual”.