Page 582 of 710
580
5-2. Steps to take in an emergency
CT200h_OM_OM76067E_(EE)
Have the vehicle inspected immediately.
A buzzer sounds and a warning message is shown on the multi-
information display. Failure to investigate the cause of the follow-
ing warnings may lead to the system operating abnormally and
possibly cause an accident. Have the vehicle inspected by any
authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
Warning messageDetails
Indicates a malfunction in the P position control
system
In this situation, there is a possibility that the
parking lock mechanism will not work.
When parking, park the vehicle on a flat surface
and apply the parking brake securely. Also, it
may not be possible to turn the “POWER”
switch off. If this happens, applying the parking
brake will enable the switch to be turned off.
(Flashes)
(If equipped)
Indicates a malfunction in the LED headlight sys-
tem
Page 586 of 710
584
5-2. Steps to take in an emergency
CT200h_OM_OM76067E_(EE)
Warning messageDetailsCorrection procedure
(Flashes)
Indicates, if the vehicle
reaches a speed of 5 km/
h (3 mph), that the park-
ing brake is still engaged
Release the parking
brake.
(Flashes)
Indicates that the
“POWER” switch is
turned off or turned to
ACCESSORY mode
and the driver’s door is
opened while the lights
are turned on.
Turn the lights off.
(If equipped)
Indicates that Lexus
parking assist-sensor is
dirty or covered with
ice
Clean the sensor.
Page 592 of 710
590
5-2. Steps to take in an emergency
CT200h_OM_OM76067E_(EE)
Have the malfunction repaired immediately.
After taking the specified steps to correct the suspected problem,
check that the warning message and light go off.
Interior
buzzerExte-
rior
buzzer
Warning messageDetailsCorrection
procedure
Once
(Flashes)
The electronic
key is not
detected when
an attempt is
made to start the
hybrid system.
Start the hybrid
system with the
electronic key
present.
Page 598 of 710
596
5-2. Steps to take in an emergency
CT200h_OM_OM76067E_(EE)
Interior
buzzerExte-
rior
buzzer
Warning messageDetailsCorrection
procedure
Power was
turned off due to
the automatic
power off func-
tion.
Next time when
starting the
hybrid system,
increase the
engine speed
slightly and
maintain that
level for approx-
imately 5 min-
utes to recharge
the 12-volt bat-
tery.
Once
The electronic
key has a low
battery.Replace the
electronic key
battery. (P.
527)
Page 641 of 710

5
639
5-2. Steps to take in an emergency
When trouble arises
CT200h_OM_OM76067E_(EE)
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, 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 fan
If a large amount of coolant
leaks, immediately contact any
authorized Lexus dealer or
repairer, or another duly quali-
fied and equipped professional.
The following may indicate that your vehicle is overheating:
The high coolant temperature warning light (P. 572) comes
on or flashes, or a loss of hybrid system power is experienced.
(For example, the vehicle speed does not increase.)
“HYBRID SYSTEM OVERHEAT” (P. 586) is shown on
the multi-information display.
Steam comes out from under the hood.
STEP1
STEP2
STEP3
Page 694 of 710

692
CT200h_OM_OM76067E_(EE)
Alphabetical index
Alphabetical index
A/C
Air conditioning filter ...........523
Automatic air conditioning
system
*..............................318
ABS ...........................................291
Air conditioning filter ...............523
Air conditioning system
*
Air conditioning filter ...........523
Automatic air conditioning
system.................................318
Airbags
Airbag manual on-off system .....
163
Airbag operating
conditions ...........................154
Airbag precautions for your
child....................................158
Airbag warning light ............573
Curtain shield airbag operating
conditions ...........................154
Curtain shield airbag
precautions .........................158
General airbag precautions ...158
Locations of airbags .............151
Modification and disposal of
airbags ................................162
Proper driving posture ..........149
Side airbag operating
conditions ...........................154
Side airbag precautions.........158
Side and curtain shield airbags
operating conditions ...........154
Side and curtain shield airbags
precautions .........................158
SRS airbags ..........................151Alarm ........................................ 142
Antenna .................................... 340
Anti-lock brake system............. 291
Audio input ............................... 383
Audio remote control
switches
*
Audio system
Antenna................................ 340
Audio input .......................... 383
AUX port ............................. 383
CD player/changer ............... 341
MP3/WMA disc................... 350
Optimal use .......................... 380
Portable music player .......... 383
Radio.................................... 335
Steering wheel audio switches...
385
Audio/video system
*
Automatic air conditioning system
Air conditioning filter .......... 523
Air conditioning system....... 318
Automatic air conditioning
system................................ 318
Automatic headlight leveling
system .................................... 238
Automatic light control system 235
AUX port .................................. 383
Auxiliary box.................... 453, 470
A
Page 696 of 710

694
Alphabetical index
CT200h_OM_OM76067E_(EE)
Child safety
Airbag precautions................158
Back door precautions ............95
Child restraint system ...........166
Child-protectors ......................90
How your child should wear
the seat belt.........................111
Installing child restraints ......176
Moon roof precautions .........130
Power window lock switch...124
Power window precautions...126
Removed electronic key battery
precautions .........................531
Seat belt precautions .............112
Seat heater precautions .........466
12-volt battery precautions ...512
Child-protectors...........................90
Cleaning
Exterior .................................476
Interior ..................................482
Seat belts...............................483
Clock
*.......................................459
Condenser ..................................506
Console box ...............................450
Cooling system
Engine overheating ...............639
Hybrid system overheating ...639
Cruise control
Cruise control .......................250
Dynamic radar cruise control .....
255
Cup holders ...............................451Curtain shield airbags ............... 151
Customizable features .............. 667
Daytime running light system .. 237
Defogger
Rear window ........................ 330
Side mirrors ......................... 330
Dimensions ............................... 650
Display
Dynamic radar cruise
control ............................... 255
Multi-information display.... 229
Trip information .................. 231
Warning message................. 578
Do-it-yourself maintenance ...... 488
Door lock
Back door............................... 93
Side doors .............................. 89
Smart entry & start system .... 62
Wireless remote control ......... 84
Doors
Back door............................... 93
Door glasses......................... 123
Door lock ................... 62, 84, 89
Rear door child protector ....... 90
Side doors .............................. 89
Driver’s seat belt reminder light575
Driver’s seat position memory . 102
Driving
Break-in tips ........................ 188
Correct posture .................... 149
Procedures ........................... 186
Winter driving tips ............... 311
Driving position memory ......... 102
D
Page 697 of 710

695
Alphabetical index
CT200h_OM_OM76067E_(EE)
Electric power steering ..............291
Electronic key
If the electronic key does not
operate properly .................630
Replacing battery ..................527
Emergency, in case of
If a warning buzzer sounds ...571
If a warning light turns on ....571
If a warning message is
displayed ............................578
If the electronic key does not
operate properly .................630
If the hybrid system will not
start .....................................627
If the 12-volt battery is
discharged ..........................633
If you have a flat tire ...599, 613
If you lose your keys ............629
If you think something is
wrong .................................570
If your vehicle becomes stuck ....
644
If your vehicle has to be stopped
in an emergency .................646
If your vehicle needs to be
towed ..................................563
If your vehicle overheats ......639
Emergency brake signal ............292
Emergency flashers ...................562Engine
Accessory mode................... 200
Compartment ....................... 496
Hood .................................... 492
How to start the hybrid
system................................ 198
Identification number .......... 651
If the hybrid system will not
start .................................... 627
Ignition switch ..................... 198
Overheating ......................... 639
“POWER” switch ................ 198
Engine compartment cover....... 497
Engine coolant
Capacity ............................... 657
Checking .............................. 503
Preparing and checking
before winter ..................... 311
Engine/power control unit coolant
Capacity ............................... 657
Checking .............................. 503
Preparing and checking
before winter ..................... 311E
*: For vehicles with a navigation system, refer to
the “Navigation System Owner’s Manual”.