Page 431 of 552

4318-1. Essential information
8
When trouble arises
PRIUS c_U (OM52E68U)
Steadily step on the brake pedal with both feet and firmly depress it.
Do not pump the brake pedal repeatedly as this will increase the effort
required to slow the vehicle.
Shift the shift lever to N.
If the shift lever is shifted to N
After slowing down, stop the vehicle in a safe place by the road.
Stop the hybrid system.
If the shift lever cannot be shifted to N
Keep depressing the brake pedal with both feet to reduce vehicle
speed as much as possible.
Vehicles without a smart key
system: Stop the hybrid system
by turning the engine switch to
the “ACC” position.
Vehicles with a smart key sys-
tem: To stop the hybrid system,
press and hold the “POWER”
switch for 2 consecutive sec-
onds or more, or press it briefly
3 times or more in succession.
Stop the vehicle in a safe place by the road.
If your vehicle has to be stopped in an
emergency
Only in an emergency, such as if it becomes impossible to stop
the vehicle in the normal way, stop the vehicle using the follow-
ing procedure:
1
2
3
4
3
4
Press and hold for 2 seconds or
more, or press briefly 3 times or
more
4
5
Page 432 of 552
4328-1. Essential information
PRIUS c_U (OM52E68U)
WARNING
■If the hybrid system has to be turned off while driving
● Power assist for the steering wheel will be lost, making the steering wheel
heavier to turn. Decelerate as much as possible before turning off the
hybrid system.
● Vehicles without a smart key system: Never attempt to remove the key, as
doing so will lock the steering wheel.
Page 433 of 552
433
8
When trouble arises
PRIUS c_U (OM52E68U)
8-2. Steps to take in an emergency
The following may indicate a problem with your transmission. Contact
your Toyota dealer or commercial towing service before towing.
●A warning message for the hybrid system is shown on the multi-
information display and the vehicle does not move.
● The vehicle makes an abnormal sound.
If your vehicle needs to be towed
If towing is necessary, we recommend having your vehicle
towed by your Toyota dealer or a commercial towing service,
using a lift-type truck or flatbed truck.
Use a safety chain system for all towing, and abide by all state/
provincial and local laws.
Situations needs to contact dealers before towing
Page 437 of 552
4378-2. Steps to take in an emergency
8
When trouble arises
PRIUS c_U (OM52E68U)
Vehicles without a smart key system: Enter the vehicle being towed
and start the hybrid system.
If the hybrid system does not start, turn the engine switch to the “ON” posi-
tion.
Vehicles with a smart key system: Enter the vehicle being towed
and start the hybrid system.
If the hybrid system does not start, turn the “POWER” switch to ON mode.
Shift the shift lever to N and release the parking brake.
When the shift lever cannot be shifted: P. 4 7 5
■While towing
If the hybrid system is off, the power assist for the brakes and steering will not
function, making steering and braking more difficult.
■ Wheel nut wrench
Wheel nut wrench is installed in luggage compartment. ( P. 462)
7
8
Page 440 of 552
4408-2. Steps to take in an emergency
PRIUS c_U (OM52E68U)
●Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● is shown on the multi-information display
● Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the hybrid system
● Engine missing, stumbling or running roughly
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, spongy feeling, pedal almost touches
the floor
If you think something is wrong
If you notice any of the following symptoms, your vehicle proba-
bly needs adjustment or repair. Contact your Toyota dealer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms
Page 442 of 552

4428-2. Steps to take in an emergency
PRIUS c_U (OM52E68U)
Warning lightWarning light/Details/Actions
Charging system warning lightIndicates a malfunction in the vehicle's charging system
Immediately stop the vehicle in a safe place and con-
tact your Toyota 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 Toyota dealer
immediately.
SRS warning light
Indicates 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 Toyota 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 Toyota dealer
immediately.
Electric power steering system warning light (warning
buzzer)
Indicates a malfunction in the EPS (Electric Power Steer-
ing) system
Have the vehicle inspected by your Toyota dealer
immediately.
Slip indicator light
Indicates a malfunction in:
• The VSC (Vehicle Stability Control) system;
• The TRAC (Traction Control) system; or
• The hill-start assist control system
The light will flash when the VSC, the TRAC or the ABS
system is operating.
Have the vehicle inspected by your Toyota dealer
immediately.
Page 450 of 552

4508-2. Steps to take in an emergency
PRIUS c_U (OM52E68U)
Warning message and warning buzzer list
Warning messageDetails/Actions
Indicates a malfunction in the hybrid systemA buzzer sounds in accordance with the warn-
ing message that is displayed.
Immediately stop the vehicle in a safe place
and contact your Toyota dealer.
Indicates that the high engine coolant tempera-
ture is too high
Immediately stop the vehicle in a safe
place. ( P. 483)
Indicates abnormal engine oil pressure
The warning message is shown if the engine oil
pressure is too low.
A buzzer also sounds.
Immediately stop the vehicle in a safe place
and contact your Toyota dealer.
(If equipped)
• Indicates a malfunction in the smart key system
• Indicates a malfunction in the steering lock sys-
tem
A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
Indicates a malfunction in the LED headlight sys-
tem If there is a malfunction, the LED headlights do
not turn on. However, depending on the mal-
function, they may turn on.
A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
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Page 453 of 552

4538-2. Steps to take in an emergency
8
When trouble arises
PRIUS c_U (OM52E68U)Indicates that the hybrid system has overheated
This message may be displayed when driving
under severe operating conditions. (For exam-
ple, when driving up a long steep hill.)
A buzzer also sounds.
Stop and check. ( P. 483)
Indicates that the hybrid battery (traction battery)
is low A buzzer also sounds.
When stopping the vehicle for a long
period of time, shift the shift lever to P. The
hybrid battery (traction battery) cannot be
charged with the shift position in N.
Indicates that the hybrid battery (traction battery)
power has dropped because a long period of time
has elapsed after shifting the shift lever to N A buzzer also sounds.
Shift the shift lever to P and restart the
hybrid system when starting the vehicle.
Indicates that the driver’s door was opened with
the shift position in N, D or B A buzzer also sounds.
Shift the shift lever to P.
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 lever to D, B or R.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)
(Flashes)