Page 392 of 496

3927-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
Indicates that the insufficient 12-volt battery
charge
→A few seconds
* after the message disap-
pears: Maintain the hybrid system opera-
tion state for approximately 15 minutes or
more to recharge the 12-volt battery.
→ If the message does not disappear: Start
the hybrid system by following the “If the
12-volt battery is discharged” procedure
(→ P. 439).
*: This is displayed for about 6 seconds.
(If equipped)
Indicates that the pre-crash safety system is not
currently functional
→ Check the grille cover and the sensor and
clean them if they are dirty.
Hybrid battery (traction battery) inspection or
replacement time.
→Have the hybrid battery (traction battery)
inspected by any authorized Toyota dealer
or repairer, or another duly qualified and
equipped professional immediately.
Hybrid system restarting will soon be disabled.
→If you continue to use the vehicle in this
state, you will soon become unable to
restart the hybrid system. Have the hybrid
battery (traction battery) inspected by any
authorized Toyota dealer or repairer, or
another duly qualified and equipped pro-
fessional immediately.
Indicates that restarting of the hybrid system is
not possible.
→Contact any authorized Toyota dealer or
repairer, or another duly qualified and
equipped professional immediately.
Warning messageDetails/Actions
(Flashes)
(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)
Page 394 of 496

3947-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
An attempt was made to change the shift position
to B when the shift position was R. A buzzer also sounds.
The shift position automatically changed to N.
→ Change the shift position to D, and then
change the shift position to B.
An attempt was made to change the shift position
to D while the vehicle was driven in reverse.
A buzzer also sounds.
The shift position automatically changed to N.
→ Stop the vehicle, and then change the shift
position.
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.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)
(Flashes)
Page 395 of 496

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
Page 396 of 496

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 399 of 496
3997-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
7
When trouble arises
■Warning messages
The warning message illustrations used are intended as examples, and may
differ from the image that is actually displayed on the multi-information dis-
play.
■ Warning message in radar cruise mode (if equipped)
In the following situations, the warning message may not be displayed even if
vehicle-to-vehicle distance decreases:
●When your vehicle and the vehicle ahead are traveling at the same speed or
the vehicle ahead is traveling more quickly than your vehicle
● When the vehicle ahead is traveling at a very low speed
● Immediately after cruise control speed is set
● At the instant the accelerator pedal is depressed
■ Warning buzzer
→ P. 384
Page 400 of 496

4007-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
InteriorbuzzerExterior buzzerWarning messageDetails/Actions
Power was turned off due to the
automatic power off function.
→ Next time when starting
the hybrid system, oper-
ate the hybrid system for
approximately 5 minutes
to recharge the 12-volt bat-
tery.
Contin-
uous
The driver’s door was opened
while any shift position other
than P was selected without
turning off the power switch.
→Shift the shift position to P.
Contin-
uousContin-
uous
The electronic key was carried
outside the vehicle and the
driver’s door was opened and
closed while any shift position
other than P was selected with-
out turning off the power switch.
→Shift the shift position to P.
→ Bring the electronic key
back into the vehicle.
Once
An attempt was made to start
the hybrid system without the
electronic key being present, or
the electronic key was not func-
tioning normally.
→Start the hybrid system
with the electronic key
present.
An attempt was made to drive
when the regular key was not
inside the vehicle.
→Confirm that the elec-
tronic key is inside the
vehicle.
(Flashes)
(Displayed alternately)
(Flashes)
(Flashes)
Page 401 of 496

4017-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
7
When trouble arises
Once3 times
The electronic key was carried
outside 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
outside the vehicle and the
driver’s door was opened and
closed while the shift position P
was selected without turning off
the power switch.
→Turn the power switch off.
→ Bring the electronic key
back into the vehicle.
Once
Sounds
once for 5
seconds
An attempt was made to exit
the vehicle with the electronic
key and lock the doors without
first turning the power switch
off.
→Turn the power switch off
and lock the doors again.
Once
An attempt was made to turn
the power switch off when the
shift position was not in P.
→To turn off the hybrid sys-
tem, first shift the shift
position to P and then turn
the power switch off.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)
(Displayed alternately)
(Flashes)
(Flashes)