Page 542 of 632
5428-2. Steps to take in an emergency
CT200h_OM_OM76197U_(U)
Indicates a malfunction in:
• The cruise control system; or
• The dynamic radar cruise control systemPress 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 your Lexus dealer.
(If equipped)
Indicates a malfunction in the pre-collision system
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
(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 disp layed when driving under
severe operating conditions. (For example, when driv-
ing up a long steep hill.)
A buzzer also sounds.
Stop and check. ( P. 5 6 6 )
(If equipped)
Indicates a malfunction in the LED headlight system
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
Indicates that the wash er fluid level is low
Add washer fluid.
Wa r n i n g m e s s a g eDetails/Actions
(Flashes)
(Flashes)
(Flashes)
Page 543 of 632
5438-2. Steps to take in an emergency
CT200h_OM_OM76197U_(U)
8
When trouble arises
*1: Refer to the separate “Scheduled Maintenance” or “Owner’s Manual Supplement” for the maintenance interval applicable to your vehicle.
*2: For the EV drive mode operating conditions ( P. 1 6 0 ) .
(U.S.A. only)
Indicates that all maintenance according to the driven
distance on the maintenance schedule
*1 should be per-
formed soon. Comes on approximately 4500 miles (7200 km)
after the message has been reset.
If necessary, perform maintenance.
(U.S.A. only)
Indicates that all maintenance is required to correspond
to the driven distance on the maintenance schedule
*1.
Comes on approximately 5000 miles (8000 km)
after the message has been reset.
(The indicator will not work properly unless the mes-
sage has been reset.)
Perform the necessary maintenance. Please reset
the message after the maintenance is performed
( P. 4 6 8 )
(If equipped)
Indicates that the pre-collisio n system is not currently
functional because the grille cover or the sensor is dirty
This message also appears when the pre-collision sys-
tem is not functional due to overheating.
Check the grille cover and the sensor and clean
them if they are dirty.
In case of overheating, the system will become func-
tional once the system cools down.
Indicates that the EV drive mode is not available*2
The reason the EV drive mode is not available (the
vehicle is idling, battery char ge is low, speed is higher
than the EV drive mode operating speed range, accel-
erator pedal is depressed too much) may be dis-
played.
A buzzer also sounds.
Use the EV drive mode when it becomes available.
Indicates that the EV drive mode has been automatically
canceled*2
The reason the EV drive mode is not available (the
battery charge is low, sp eed is higher than the EV
drive mode operating speed range, accelerator pedal
is depressed too much) may be displayed.
A buzzer also sounds.
Drive the vehicle for a while.
Wa r n i n g m e s s a g eDetails/Actions
(Flashes
3 times)
Page 546 of 632
5468-2. Steps to take in an emergency
CT200h_OM_OM76197U_(U)
Once3 times
The electronic key was carried out-
side the vehicle and a door other
than the driver’s door was opened
and closed while the power switch
was in a mode other than off.
Bring the electronic key back
into the vehicle.
The electronic key was carried out-
side the vehicle and the driver’s door
was opened and closed while the
shift position P was selected without
turning off the power switch.
Tu r n t h e p o w e r s w i t c h o f f .
Bring the electronic key back
into the vehicle.
Once
Sounds
once
for 5
sec-
ondsAn attempt was made to exit the
vehicle with the electronic key and
lock the doors without first turning
the power switch off.
Tu r n t h e p o w e r s w i t c h o f f a n d
lock the doors again.
Once
An attempt was made to turn the
power switch off when the shift posi-
tion was not in P.
To turn off the hybrid system,
first shift the shift position to P
and then turn the power switch
off.
Interior
buzzerExteriorbuzzerWa r n i n g m e s s a g eDetails/Actions
(Flashes)
(Displayed alternately)
(Flashes)
(Flashes)
Page 547 of 632
5478-2. Steps to take in an emergency
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8
When trouble arises
Once
Sounds
once
for 5
sec-
onds
• An attempt was made to lock the doors using the smart access sys-
tem with push-button start while
the electronic key was still inside
the vehicle.
• An attempt was made to lock either front door by opening a
door and putting the inside lock
button into the lock position, then
closing the door with the elec-
tronic key still inside the vehicle.
Retrieve the electronic key
from the vehicle and lock the
doors again.
Once
• When the doors were unlocked
with the mechanical key and then
the power switch was pressed, the
electronic key could not be
detected in the vehicle.
• The electronic key could not be
detected in the vehicle even after
the power switch was pressed two
consecutive times.
Touch the electronic key to the
power switch while depressing
the brake pedal.
Once
The driver’s door was opened and
closed with the power switch turned
off and then the power switch was
put in ACCESSORY mode twice
without the hybrid system being
started.
Press the power switch while
depressing the brake pedal.
During a hybrid system starting pro-
cedure in the event that the elec-
tronic key was not functioning
properly ( P. 561), the power
switch was touched with the elec-
tronic key.
Press the power switch within 10
seconds of the buzzer sounding.
Interior
buzzerExteriorbuzzerWa r n i n g m e s s a g eDetails/Actions
(Flashes)
(Flashes)
(Flashes)
Page 558 of 632
558
CT200h_OM_OM76197U_(U)8-2. Steps to take in an emergency
If the hybrid system will not start
One of the following may be the cause of the problem:
●The electronic key may not be functioning properly.* (
P. 5 6 0 )
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. ( P. 7 1 )
●There may be a malfunction in the immobilizer system.* ( P. 74 )
●There may be a malfunction in the shift control system.* ( P. 1 5 8 , 5 3 9 )
●The hybrid system may be malfunctioni ng due to an electrical problem such
as electronic key battery depletion or a blown fuse. However, depending on
the type of malfunction, an interim meas ure is available to start the hybrid sys-
tem. ( P. 5 5 9 )
*: It may not be possible to shift the shift position other than P.
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 5 6 2 )
●The 12-volt battery terminal connections may be loose or corroded.
( P. 4 8 6 )
Reasons for the hybrid system not starting vary depending on the situation.
Check the following and perform the appropriate procedure:
The hybrid system will not start ev en though the correct starting proce-
dure is being followed. ( P. 156)
The interior lights and headlights are dim, or the horn does not sound or
sounds at a low volume.
Page 559 of 632
5598-2. Steps to take in an emergency
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8
When trouble arises
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 5 6 2 )
●One or both of the 12-volt battery terminals may be disconnected. ( P. 4 8 6 )
Contact your Lexus dealer if the problem cannot be repaired, or if repair proce-
dures are unknown.
When the hybrid system does not start, the following steps can be used as an
interim measure to start the hybrid system if the power switch is functioning nor-
mally. Do not use this starting procedure except in cases of emergency.
Set the parking brake.
Turn the power switch to ACCESSORY mode.
Press and hold the power switch for ab out 15 seconds while depressing the
brake pedal firmly.
Even if the hybrid system can be starte d using the above steps, the system may
be malfunctioning. Have the vehicle inspected by your Lexus dealer.
The interior lights and headlights do not turn on, or the horn does not
sound.
Emergency start function
1
2
3
Page 561 of 632
5618-2. Steps to take in an emergency
CT200h_OM_OM76197U_(U)
8
When trouble arises
Depress the brake pedal.
Touch the Lexus emblem side of the
electronic key to the power switch.
If any of the doors is opened or closed
while the key is being touched to the
switch, an alarm will sound to indicate
that the start function cannot detect the
electronic key.
Press the power switch within 10 second s of the buzzer sounding, keeping the
brake pedal depressed.
In the event that the hybrid system st ill cannot be operated, contact your Lexus
dealer.
■Stopping the hybrid system
Set the parking brake, shift the shift position to P and press the power switch as you nor-
mally do when stopping the hybrid system.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the electronic
key battery be replaced immediatel y when the battery is depleted. (P. 5 0 4 )
■Changing power switch modes
Within 10 seconds of the buzzer sounding, release the brake pedal and press the power
switch.
The hybrid system does not start and mode s will be changed each time the switch is
pressed. ( P. 1 5 7 )
Starting the hybrid system
1
2
WA R N I N G
■When using the mechanical key and operating the power windows
Operate the power window after checking to make sure that there is no possibility of
any passenger having any of their body parts caught in the window.
Also, do not allow children to operate the mech anical key. It is possible for children and
other passengers to get caught in the power window.
3
Page 567 of 632
5678-2. Steps to take in an emergency
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8
When trouble arises
The coolant level is satisfactory if it is between the “FULL” and “LOW” lines
on the reservoir. Reservoir
“FULL” line
“LOW” line
Add coolant if necessary.
Water can be used in an emergency
if coolant is unavailable.
Start the hybrid system and turn the air conditioning system on to check
that the radiator cooling fans operate and to check for coolant leaks from
the radiator or hoses.
The fans operate when the air conditioning system is turned on immediately after a
cold start. Confirm that the fans are op erating by checking the fan sound and air
flow. If it is difficult to check these, tu rn the air conditioning system on and off
repeatedly. (The fans may not operate in freezing temperatures.)
If the fans are not operating:
Stop the hybrid system immediately and contact your Lexus dealer.
If the fans are operating:
Have the vehicle inspected at the nearest Lexus dealer.
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