Page 581 of 688
5778-2. Steps to take in an emergency
CT200h_OM_OM76102E_(EE)
8
When trouble arises
Indicates that one or more of the doors is not fully
closed
The system also indicates which doors are not
fully closed.
If the vehicle reaches a speed of 5 km/h (3 mph),
a buzzer sounds to indicate that the door(s) are
not yet fully closed.
Make sure that all the doors are closed.
Indicates that the hood is not fully closed
Close the hood.
Indicates that the back door is not fully closed
If the vehicle reaches a speed of 5 km/h (3 mph),
a buzzer sounds to indicate that the back door is
not yet fully closed.
Close the back door.
(If equipped)
Indicates a malfunction in the Lexus parking assist-
sensor
All the sensor lights flash.
A buzzer also sounds.
Have the vehicle inspected by any authorized
Lexus dealer or repairer, or another duly quali-
fied and equipped professional.
Warning messageDetails/Actions
Page 582 of 688
5788-2. Steps to take in an emergency
CT200h_OM_OM76102E_(EE)
(If equipped)
Indicates a malfunction in the Lexus parking assist-
sensor
All the sensor lights come on.
A buzzer also sounds.
Have the vehicle inspected by any authorized
Lexus dealer or repairer, or another duly quali-
fied and equipped professional.
(If equipped)
Indicates that a Lexus parking assist-sensor is dirty
or covered with ice
All the sensor lights flash.
A buzzer also sounds.
Clean the sensor.
(If equipped)
Indicates that a Lexus parking assist-sensor is dirty
or covered with ice
All the sensor lights come on.
A buzzer also sounds.
Clean the sensor.
Indicates that the accelerator pedal is depressed
while the shift position is in N
A buzzer also sounds.
Release the accelerator pedal and shift the shift
position to D or R.
Warning messageDetails/Actions
(Flashes)
Page 583 of 688
5798-2. Steps to take in an emergency
CT200h_OM_OM76102E_(EE)
8
When trouble arises
Indicates that the accelerator pedal is depressed to
stop the vehicle on an upward slope etc.
A buzzer also sounds.
If this continues, the hybrid system may overheat.
Release the accelerator pedal and depress the
brake pedal.
Indicates that the traction battery power has
dropped because a long period of time has elapsed
after shifting the shift position to N
A buzzer also sounds.
Restart the hybrid system when starting the vehi-
cle.
Warning messageDetails/Actions
(Flashes)
(Flashes)
Page 584 of 688
5808-2. Steps to take in an emergency
CT200h_OM_OM76102E_(EE)
Indicates a malfunction in the hybrid system
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 profes-
sional.
Indicates that the traction battery is low
A buzzer also sounds.
When stopping the vehicle for a long period of
time, shift the shift position to P. The battery
cannot be charged with the shift position in N.
Indicates that the vehicle is being driven at 5 km/h
(3 mph) or more with the parking brake still
engaged
A buzzer also sounds.
Release the parking brake.
Warning messageDetails/Actions
(Flashes)
(Flashes)
Page 585 of 688

5818-2. Steps to take in an emergency
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When trouble arises
Indicates that the P position switch is pressed while
the vehicle is running.
The shift position automatically changed to N.
A buzzer also sounds.
To shift the shift position to P, stop the vehicle
completely and press the P position switch.
To continue driving, shift the shift position to D
or R.
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.
A buzzer also sounds.
Have the vehicle inspected by any authorized
Lexus dealer or repairer, or another duly quali-
fied and equipped professional.
(If equipped)
Indicates that the radar cruise control sensor is dirty
or covered with ice
A buzzer also sounds.
Clean the sensor.
Warning messageDetails/Actions
(Flashes)
Page 586 of 688

5828-2. Steps to take in an emergency
CT200h_OM_OM76102E_(EE)
(If equipped)
Indicates that the dynamic radar cruise control sys-
tem is unable to judge vehicle-to-vehicle distance
A buzzer also sounds.
If the windshield wipers are on, turn them off or
set them to either intermittent or slow mode.
(If equipped)
Indicates a malfunction in:
• The cruise control system; or
• The dynamic radar cruise control system
Press 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 quali-
fied and equipped professional.
(If equipped)
Indicates a malfunction in the pre-crash safety sys-
tem
A buzzer also sounds.
Have the vehicle inspected by any authorized
Lexus dealer or repairer, or another duly quali-
fied and equipped professional.
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
A buzzer also sounds.
Turn the lights off.
Warning messageDetails/Actions
(Flashes)
(Flashes)
Page 587 of 688
5838-2. Steps to take in an emergency
CT200h_OM_OM76102E_(EE)
8
When trouble arises
(If equipped)
Indicates that the moon roof is not fully closed
(with the power switch off, and the driver’s door
open)
A buzzer also sounds.
Close the moon roof.
Indicates that the hybrid system has overheated
This message may be displayed when driving
under severe operating conditions. (For example,
when driving up a long steep hill.)
A buzzer also sounds.
Stop and check. (P. 629)
(If equipped)
Indicates a malfunction in the LED headlight sys-
tem
A buzzer also sounds.
Have the vehicle inspected by any authorized
Lexus dealer or repairer, or another duly quali-
fied and equipped professional.
Indicates that the washer fluid level is low
Add washer fluid.
Warning messageDetails/Actions
(Flashes)
(Flashes)
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5848-2. Steps to take in an emergency
CT200h_OM_OM76102E_(EE)
*: For the EV drive mode operating conditions: P. 201
(If equipped)
Indicates that the pre-crash safety system is not cur-
rently functional because the grille cover or the sen-
sor is dirty
This message also appears when the pre-crash
safety system is not functional due to overheat-
ing.
Check the grille cover and the sensor and clean
them if they are dirty.
In case of overheating, the system will become
functional once the system cools down.
Indicates that the EV drive mode is not available*The reason the EV drive mode is not available
(the vehicle is idling, battery charge is low, speed
is higher than the EV drive mode operating speed
range, accelerator pedal is depressed too much)
may be displayed.
A buzzer also sounds.
Use the EV drive mode when it becomes avail-
able.
Indicates that the EV drive mode has been automat-
ically canceled
*
The reason the EV drive mode is not available
(the battery charge is low, speed is higher than the
EV drive mode operating speed range, accelera-
tor pedal is depressed too much) may be dis-
played.
A buzzer also sounds.
Drive the vehicle for a while.
Warning messageDetails/Actions
(Flashes 3
times)