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CT200h_OM_OM76197U_(U)
8
When trouble arises
8-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer
sounds
Calmly perform the following actions if any of the warning lights comes on or
flashes. If a light comes on or flashes, but then goes off, this does not necessar-
ily indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by your Lexus dealer.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
(U.S.A.)
(Canada)
Brake system warning light and warning buzzer (red indicator)*1
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning
This light also comes on when the parking brake is not released. If
the light turns off after the parkin g brake is fully released, the sys-
tem is operating normally.
Immediately stop the vehicle in a safe place and contact your
Lexus dealer. Continuing to drive the vehicle may be dangerous.
Brake system warning light (yellow indicator)
Indicates a malfunction in:
• The regenerative brake system; or
• The electronically controlled brake system
Have the vehicle inspected by your Lexus dealer immediately.
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
Immediately stop the vehicle in a safe place and contact your
Lexus dealer.
Low engine oil pressure warning light
Indicates that the engine oil pressure is too low
Immediately stop the vehicle in a safe place and contact your
Lexus dealer.
(U.S.A.)
(Canada)
Malfunction indicator lamp Indicates a malfunction in:
• The hybrid system;
• The electronic engine control system; or
• The electronic throttle control system
Have the vehicle inspected by your Lexus dealer immediately.
5308-2. Steps to take in an emergency
CT200h_OM_OM76197U_(U)
SRS warning lightIndicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
Have the vehicle inspected by your Lexus dealer immediately.
(U.S.A.)
(Canada)
ABS warning light Indicates a malfunction in:
• The ABS; or
• The brake assist system
Have the vehicle inspected by your Lexus dealer immediately.
Electric power steering system warning light (warning buzzer)
Indicates a malfunction in the EPS system
Have the vehicle inspected by your Lexus dealer immediately.
(Flashes)
(If equipped)
“PCS” warning light
Indicates a malfunction in the pre-collision system
The warning light will operate as follows, even when the system is
not malfunctioning:
• The light will flash quickly when the system is operating. ( P. 2 3 9 )
• The light will turn on when the pre-collision braking is disabled. ( P. 2 3 9 )
• The light will turn on when the system cannot temporarily be
used. ( P. 5 4 3 )
Have the vehicle inspected by your Lexus dealer immediately.
Slip indicator light
Indicates a malfunction in:
• The VSC system;
•The TRAC system; or
• The hill-start assist control system
Have the vehicle inspected by your Lexus dealer immediately.
The light will flash when the VSC, TRAC and/or ABS systems are
operating.
(If equipped)
Automatic headlight leveling system warning light Indicates a malfunction in the au tomatic headlight leveling system
Have the vehicle inspected by your Lexus dealer immediately.
High coolant temperature warning light
Changes from a flashing to a solid light when the engine coolant
temperature increases
Stop and check. ( P. 5 6 6 )
Open door warning light (warning buzzer)*2
Indicates that a door is not fully closed
Check that all the doors are closed.
Warning lightWarning light/Details/Actions
5328-2. Steps to take in an emergency
CT200h_OM_OM76197U_(U)
*1: Brake system warning buzzer:When there is a possible problem that coul d affect braking performance, the warning
light will come on and a warning buzzer will sound.
Parking brake engaged warning buzzer:
P. 5 3 9
*2: Open door warning buzzer:
P. 5 3 7
*3: Driver’s seat belt buzzer:
The driver’s seat belt buzzer sounds to alert the driver that his or her seat belt is not
fastened. Once the power switch is turned to ON mode, the buzzer sounds for 6 sec-
onds. If the vehicle reaches a speed of 12 mph (20 km/h), the buzzer sounds once. If
the seat belt is still unfastened after 30 seconds, the buzzer will sound intermittently
for 10 seconds. Then, if the seat belt is still unfastened, the buzzer will sound in a differ-
ent tone for 20 more seconds.
Front passenger’s seat belt buzzer:
The front passenger’s seat belt buzzer sounds to alert the front passenger that his or
her seat belt is not fastened. The buzzer sounds once if the vehicle reaches a speed of
12 mph (20 km/h). If the seat belt is still unfastened after 30 seconds, the buzzer will
sound intermittently for 10 seconds. Then, if the seat belt is still unfastened, the buzzer
will sound in a different tone for 20 more seconds.
■SRS warning light
This warning light system monitors the airbag sensor assembly, front impact sensors, side
impact sensors (front door), side impact sensors (front), side impact sensors (rear),
driver’s seat position sensor, driver’s seat belt buckle switch, front passenger occupant
classification system (ECU and sensors), “A IR BAG ON” indicator light, “AIR BAG OFF”
indicator light, front passenger’s seat belt buc kle switch, seat belt pretensioners, airbags,
interconnecting wiring and power sources. ( P. 3 8 )
■Front passenger detection sensor, seat belt reminder and warning buzzer
●If luggage is placed on the front passenger seat, the front passenger detection sensor
may cause the warning light to flash and the warning buzzer to sound even if a passen-
ger is not sittin g in the seat.
●If a cushion is placed on th e seat, the sensor may not detect a passenger, and the warn-
ing light may not operate properly.
■Electric power steering system warning light (warning buzzer)
When the 12-volt battery charge becomes insu fficient or the voltage temporarily drops,
the electric power steering system warning light may come on and the warning buzzer
may sound.
5348-2. Steps to take in an emergency
CT200h_OM_OM76197U_(U)
WA R N I N G
■If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact your Lexus dealer. The vehi-
cle will become extremely unstable during braking, and the ABS system may fail, which
could cause an accident resulting in death or serious injury.
■When the electric power steering system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavier than us ual when operating, hold firmly and oper-
ate using more force than usual.
■If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause a loss of
vehicle control and result in death or serious injury.
●Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pressure
immediately.
●If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, it is probable that you have a flat tire. Check the tires. If a tire is flat, change it
with the spare tire and have the flat tire repaired by the nearest Lexus dealer.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could lose
control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.
5378-2. Steps to take in an emergency
CT200h_OM_OM76197U_(U)
8
When trouble arises
Warning message and warning buzzer list
Wa r n i n g m e s s a g eDetails/Actions
(If equipped)
Indicates that:
• There is a high possibility of a frontal collision; or
• The pre-collision braking function is operating A buzzer also sounds.
Slow the vehicle by applying the brakes.
(Flashes)
(If equipped)
Indicates that your vehicle is nearing the vehicle ahead
(in vehicle-to-vehicle distance control mode)
A buzzer also sounds.
Slow the vehicle by applying the brakes.
Indicates that the driver’s door was opened with the shift
position in any position other than P
A buzzer also sounds.
Shift the shift position to P.
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 3 mph (5 km/h), 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 3 mph (5 km/h), a
buzzer sounds to indicate that the back door is not yet
fully closed.
Close the back door.
(Flashes
rapidly)
(Flashes)
5388-2. Steps to take in an emergency
CT200h_OM_OM76197U_(U)
(If equipped)
Indicates a malfunction in the intuitive parking assistAll the sensor lights flash.
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates that an intuitive par king assist sensor is dirty or
covered with ice
All the sensor lights flash.
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.
Indicates that the accelerator pedal is depressed to stop
the vehicle on an upward slope etc.
A buzzer also sounds.
If this continues, the hy brid 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 vehicle.
Wa r n i n g m e s s a g eDetails/Actions
(Flashes)
(Flashes)
(Flashes)
5398-2. Steps to take in an emergency
CT200h_OM_OM76197U_(U)
8
When trouble arises
Indicates a malfunction in the hybrid system A buzzer also sounds.
Immediately stop the vehicle in a safe place and
contact your Lexus dealer.
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 3 mph (5 km/h)
or more with the parking brake still engaged.
A buzzer also sounds.
Release the parking brake.
Indicates a malfunction in the shift control system
A buzzer also sounds.
Have the vehicle inspected at your Lexus dealer
immediately.
• The hybrid system may not be able to start.
• The parking lock mechanism may not operate. Also,
shifting the shift position to P may not be possible.
When parking, choose a le vel place and apply the
parking brake securely.
• The automatically P position selection function ( P. 1 6 5 )
may not operate. Before turning the power switch off,
securely press the P position switch, and be sure to check
that the shift position is in P by verifying the shift position
indicator or P positi on switch indicator.
• The power switch may not be able to be turned off. In this case, the power switch can be turned off by apply-
ing the parking brake.
• The 12-volt battery may not be charged sufficiently. In this case, charge or replace the 12-volt battery.
After charging the 12-volt battery, the message may
continue to be displayed until the shift position is
shifted from P.
Wa r n i n g m e s s a g eDetails/Actions
(Flashes)
(U.S.A.) (Canada) (Flashes)
5408-2. Steps to take in an emergency
CT200h_OM_OM76197U_(U)
Indicates a malfunction in the shift control system
A buzzer also sounds.
Have the vehicle inspected at your Lexus dealer
immediately.
If not inspected, vehicle systems may not operate
properly.
An attempt was made to change the shift position when
the 12-volt battery voltage was low. A buzzer also sounds.
Recharge or replace the 12-volt battery.
Indicates that the shift lever and P position switch were
repeatedly operated in quick succession.
A buzzer also sounds.
Wait approximately 20 seconds and change the
shift position.
An attempt was made to shift the shift position from P or
N to B.
A buzzer also sounds.
Shift the shift position to D, and then shift the shift
position to B.
An attempt was made to shift the shift position to R, D or
B with the power switch on (READY indicator turned
off).
A buzzer also sounds.
After starting the hybrid system, shift the shift posi-
tion to R, D or B
*.
*: When shifting the shift position to B, first shift the
shift position to D, and then shift the shift position to
B.
An attempt was made to shift the shift position from P
with the brake pedal released. A buzzer also sounds.
When shifting the shift position from P, depress the
brake pedal.
Wa r n i n g m e s s a g eDetails/Actions
(Flashes)
(Flashes)