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4958-2. Steps to take in an emergency
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When trouble arises
*1: Brake system warning buzzer:
When there is a possible problem that could affect braking performance,
the warning light will come on and a warning buzzer will sound.
Parking brake engaged warning buzzer:
A buzzer will sound if the vehicle is driven at a speed of approximately 3
mph (5 km/h) or more.
*2: Open door warning buzzer:
The open door warning buzzer sounds to alert one or more of the doors is
not fully closed (with the vehicle having reached a speed of 3 mph [5 km/h]).
*3: Seat belt buzzer:
The seat belt warning buzzer sounds to alert the driver and/or front pas-
senger that their seat belts are not fastened. If the driver’s seat belt is not
fastened, the buzzer will sound for 6 seconds once the power switch is
turned to ON mode. If the vehicle reaches a speed of 12 mph (20 km/h),
the buzzer will sound once. If the seat belt is still unfastened after 30 sec-
onds, 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.
Tire pressure warning light
When the light comes on:
Low tire inflation pressure such as
• Natural causes (P. 497)
• Flat tire (P. 521)
Adjust the tire inflation pressure to the specified
level.
The light will turn off after a few minutes. In case
the light does not turn off even if the tire inflation
pressure is adjusted, have the system checked by
your Toyota dealer.
When the light comes on after blinking for 1 minute:
Malfunction in the tire pressure warning system
(P. 497)
Have the system checked by your Toyota dealer.
Warning lightWarning light/Details/Actions
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5058-2. Steps to take in an emergency
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When trouble arises
Indicates that the hybrid battery (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.
Indicates a malfunction in the shift 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 your Toyota
dealer.
Indicates a malfunction in the hybrid system
A buzzer also sounds.
Immediately stop the vehicle in a safe place
and contact your Toyota dealer.
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 position to P.
The battery cannot be charged with the
shift position in N.
(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)
(Flashes)
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5118-2. Steps to take in an emergency
PRIUS v_OM_OM47B12U_(U)
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When trouble arises
An attempt was made to change the shift position
to R while the vehicle was moving forward.
A buzzer also sounds.
The shift position automatically changed to N.
Stop the vehicle, and then change the shift
position.
Indicates that the P position switch is pressed
while the vehicle is running.
A buzzer also sounds.
The shift position automatically changed to N.
To shift the shift position to P, stop the
vehicle completely and press the P posi-
tion switch.
To continue driving, shift the shift position
to D or R.
Insufficient 12-volt battery charge
The parking lock mechanism may not function.
The hybrid system may not be able to start.
The power switch may not be able to be turned
off. In this case, the power switch may be
turned off by applying the parking brake.
After charging the 12-volt battery, the message
may continue to be displayed until the shift
position is changed from P.
A buzzer also sounds.
When parking, choose a level location and
apply the parking brake securely.
Maintain the hybrid system operation state
for approximately 15 minutes or more to
recharge the 12-volt battery.
The hybrid system will not start: Start the
hybrid system by following the “If the
12-volt battery is discharged” procedure
(P. 538).
If the message does not disappear: The
12-volt battery may be deteriorating.
The 12-volt battery may be discharged if
this continues. Have the 12-volt battery
inspected at your Toyota dealer.
Warning messageDetails/Actions
(Flashes)
(Flashes)
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5128-2. Steps to take in an emergency
PRIUS v_OM_OM47B12U_(U)
Shift control system malfunction
A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
• The hybrid system may not be able to start.
• The parking lock mechanism may not func-
tion. When parking, choose a level location
and apply the parking brake securely.
• The power switch may not be able to be
turned off. In this case, the power switch
may be turned off by applying the parking
brake.
Shift control system malfunction
A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer immediately. If not inspected, vehi-
cle systems may stop operating normally.
Shift control system communication malfunction
A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
• The hybrid system may not be able to start.
• May not be switched to the P position.
When parking, choose a level location and
apply the parking brake securely.
• The automatically P position selection func-
tion (P. 184) may not function. 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 or P position switch operation
indicator lights.
• The power switch may not be able to be
turned off. In this case, the power switch
may be turned off by applying the parking
brake.
Warning messageDetails/Actions
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When trouble arises
8-2. Steps to take in an emergency
If you have a flat tire
●Stop the vehicle on a hard, flat surface.
●Set the parking brake.
●Shift the shift position to P.
●Stop the hybrid system.
●Turn on the emergency flashers. (P. 482)
Your vehicle is equipped with a spare tire. The flat tire can be
replaced with the spare tire.
For details about tires: P. 4 4 3
WARNING
■If you have a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and the
wheel beyond repair, which could result in an accident.
Before jacking up the vehicle
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5358-2. Steps to take in an emergency
PRIUS v_OM_OM47B12U_(U)
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When trouble arises
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. (P. 538)
●One or both of the 12-volt battery terminals may be disconnected.
(P. 439)
Contact your Toyota dealer if the problem cannot be repaired, or if
repair procedures 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 normally.
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 about 15 seconds while
depressing the brake pedal firmly.
Even if the hybrid system can be started using the above steps, the
system may be malfunctioning. Have the vehicle inspected by your
Toyota dealer.
The interior lights and headlights do not turn on, or the horn
does not sound.
Emergency start function
1
2
3
Page 537 of 620
5378-2. Steps to take in an emergency
PRIUS v_OM_OM47B12U_(U)
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When trouble arises
■Stopping the hybrid system
Set the parking brake, shift the shift position to P and press the power switch
as you normally 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 immediately when the battery is depleted.
(P. 461)
■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 modes will be changed each time the
switch is pressed. (P. 176)
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PRIUS v_OM_OM47B12U_(U)
8-2. Steps to take in an emergency
If the vehicle becomes stuck
Set the parking brake and shift the shift position to P. Stop the
hybrid system.
Remove the mud, snow or sand from around the stuck tire.
Place wood, stones or some other material under the tires to help
provide traction.
Restart the hybrid system.
Shift the shift position to D or R, release the parking brake and
carefully apply the accelerator to free the vehicle.
■When it is difficult to free the vehicle
Carry out the following procedures if the tires spin or the vehicle
becomes stuck in mud, dirt or snow:
Press to turn off TRAC. (P. 248)
Vehicles without multi-infor-
mation display
Vehicles with multi-informa-
tion display
1
2
3
4
5