TOYOTA PRIUS PLUS 2017 Owners Manual

4017-2. Steps to take in an emergency
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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)
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4027-2. Steps to take in an emergency
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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)

4037-2. Steps to take in an emergency
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7
When trouble arises
(If equipped)
Indicates a malfunction in:
• The cruise control system; or
• The dynamic radar cruise control system
Press the “ON-OFF” button once to deactivate
the system, and then press the button again to
reactivate the system.A buzzer also sounds.
→ Have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another
duly qualified and equipped professional.
(If equipped)
Indicates a malfunction in the pre-crash safety
system
A buzzer also sounds.
→ Have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another
duly qualified and equipped professional
immediately.
Indicates an engine oil pressure malfunction
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 system has overheated
This message may be displayed when driving
under severe operating conditions, and the out-
put of the hybrid system may temporarily
decrease in order to protect the system. (For
example, when driving up a long steep hill or
driving up a steep hill in reverse.)
A buzzer also sounds.
→ Stop and check. ( →P. 457)
(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.
Warning messageDetails/Actions
(Flashes)
(Flashes)

4047-2. Steps to take in an emergency
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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.
An attempt was made to change the shift position
when the 12-volt battery voltage was low.
A buzzer also sounds.
→ 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. 452).
→ The message appears frequently: The
12-volt battery may be deteriorating.
The 12-volt battery may be discharged if
this continues. Have the 12-volt battery
inspected at any auth orized Toyota dealer
or repairer, or another duly qualified and
equipped professional.
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.
Warning messageDetails/Actions
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4057-2. Steps to take in an emergency
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7
When trouble arises
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.
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.
Warning messageDetails/Actions
(Flashes)
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4067-2. Steps to take in an emergency
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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. 452).
→ 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 any auth orized Toyota dealer
or repairer, or another duly qualified and
equipped professional.
Warning messageDetails/Actions
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4077-2. Steps to take in an emergency
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When trouble arises
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.
Shift control system communication 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.
• 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. 219) 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

4087-2. Steps to take in an emergency
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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
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4097-2. Steps to take in an emergency
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When trouble arises
Carrying out the corresponding action turns the messages off.
Other displayed messages
Displayed messageDetails/Actions
Maintenance of the hybrid battery (traction bat-
tery) cooling component is requiredThe filter may be clogged, the air intake vent
may be blocked or there may be a gap in the
duct.
→ Have maintenance performed on the hybrid
battery (traction battery) cooling compo-
nent at any authorized Toyota dealer or
repairer, or another duly qualified and
equipped professional.
Indicates that the EV drive mode is not available*
The reason the EV drive mode is not available
(the vehicle is idling, battery charge is low,
speed is higher than the EV drive mode operat-
ing speed range, accelerator pedal is
depressed too much) may be displayed.
A buzzer also sounds.
→ Use the EV drive mode when it becomes
available.

4107-2. Steps to take in an emergency
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*: For the EV drive mode operating conditions (→P. 214).
Indicates that the EV drive mode has been auto-
matically canceled
*
The reason the EV drive mode is not available
(the battery charge is low, speed is higher than
the EV drive mode operating speed range,
accelerator pedal is depressed too much) may
be displayed.
A buzzer also sounds.
→ Drive the vehicle for a while.
Displayed messageDetails/Actions
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3 times)