Page 389 of 496

3897-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
7
When trouble arises
Warning message and warning buzzer list
Warning messageDetails/Actions
(If equipped)
Indicates that:
• There is a high possibility of a frontal collision;
or
• The pre-crash braking function is operatingA buzzer also sounds.
→ Slow the vehicle by applying the brakes.
(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 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
hybrid system may overheat.
→ Release the accelerator pedal and depress
the brake pedal.
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.
(Flashes)
(Flashes)
(Flashes)
(Flashes)
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3907-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
Indicates a malfunction in the shift control systemIn 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 autho-
rized Toyota dealer or repairer, or another
duly qualified and equipped professional.
Indicates a malfunction in the hybrid system
A buzzer also sounds.
→ Immediately stop the vehicle in a safe place
and contact any authorized Toyota dealer
or repairer, or another duly qualified and
equipped professional.
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.
(If equipped)
Indicates that the dynamic radar cruise control
system is unable to judge vehicle-to-vehicle dis-
tance
A buzzer also sounds.
→ If the windshield wipers are on, turn them
off or set them to either intermittent or slow
mode.
Warning messageDetails/Actions
(Flashes)
Page 393 of 496

3937-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
7
When trouble arises
An attempt was made to change the shift position
when the 12-volt battery voltage was low. A buzzer also sounds.
→ Charge or replace the 12-volt battery.
The shift lever and P position switch were repeat-
edly operated in quick succession.
A buzzer also sounds.
→ Wait approximately 20 seconds and change
the shift position.
An attempt was made to change the shift position
to B when the shift position was P or N.
A buzzer also sounds.
→ Change the shift position to D, and then
change the shift position to B.
An attempt was made to change 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, change
the shift position to R, D or B
*.
*: When changing the shift position to B, first
change the shift position to D, and then
change the shift position to B.
An attempt was made to change the shift position
from P with the brake pedal released. A buzzer also sounds.
→ When changing the shift position from P,
depress the brake pedal.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)
(Flashes)
(Flashes)
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3957-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
7
When trouble arises
Insufficient 12-volt battery charge A buzzer also sounds.
→ Recharge or replace the 12-volt battery.
• 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.
• After charging the 12-volt battery, the mes- sage may continue to be displayed until the
shift position is changed from P.
Shift control system malfunction A buzzer also sounds.
→ Have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another
duly qualified and equipped professional.
• 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 any autho-
rized Toyota dealer or repairer, or another
duly qualified and equipped professional
immediately. If not inspected, vehicle sys-
tems may stop operating normally.
Warning messageDetails/Actions
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3967-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
Shift control system communication malfunctionA buzzer also sounds.
→ Have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another
duly qualified and equipped professional.
• 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. 211) 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.
Indicates a malfunction in the LED headlight sys-
temA buzzer also sounds.
→ Have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another
duly qualified and equipped professional.
Warning messageDetails/Actions
(Turns on or
Flashes)
Page 402 of 496
4027-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
Once
Sounds
once for 5
seconds
• An attempt was made to lockthe doors using the smart
entry & start system 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 posi-
tion, then closing the door by
pulling on the outside door
handle with the electronic 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 elec-
tronic 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 consecu-
tive times.
→ Touch the electronic key to
the power switch while
depressing the brake
pedal.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)
(Flashes)
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4037-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
7
When trouble arises
■Warning messages
→ P. 399
■ Warning buzzer
→ P. 384
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 with-
out the hybrid system being
started.
→ Press the power switch
while depressing the brake
pedal.
During a hybrid system starting
procedure in the event that the
electronic key was not function-
ing properly ( →P. 437), the
power switch was touched with
the electronic key.
→ Press the power switch
within 10 seconds of the
buzzer sounding.
Once
An attempt was made to start
the hybrid system with the shift
position in N.
→Shift the shift position to P
and start the hybrid sys-
tem.
Once
The electronic key has a low
battery.
→Replace the electronic key
battery. ( →P. 351)
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)
(Flashes)
Page 404 of 496
4047-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
If you have a flat tire (vehicles with a spare
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. 368)
Your vehicle is equipped with a spare tire. The flat tire can be
replaced with the spare tire.
For details about tires: →P. 3 3 1
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