2017 TOYOTA PRIUS C key

4888-2. Steps to take in an emergency
PRIUS c_U (OM52J11U)
(If equipped)
Indicates a malfunction in:
• The Automatic High Beam system (if equipped)
• The LED headlight system (if equipped)A buzzer also sounds.
→ Have the vehicle inspect ed by your Toyota
dealer.
(If equipped)
Indicates that:
• There is a high possibility of a frontal collision;
or
• The pre-collision braking function is operating A buzzer also sounds.
→ Check the vehicle's surroundings and take
evasive action if necessary.
(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 inspect ed by your Toyota
dealer.
(If equipped)
Indicates a malfunction in the cruise control sys-
tem A buzzer also sounds.
→ Have the vehicle inspect ed by your Toyota
dealer.
Indicates a malfunction in the Brake Override
System A buzzer also sounds.
→ Have the vehicle inspect ed by your Toyota
dealer.
Warning messageDetails/Actions
(Flashes)

4928-2. Steps to take in an emergency
PRIUS c_U (OM52J11U)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.
Indicates that the engine switch is turned to the
“ACC” or “LOCK” position (vehicles without a
smart key system) or the “POWER” switch is
turned to ACCESSORY mode or turned off (vehi-
cles with a smart key system) and the driver’s
door is opened while the lights are turned on A buzzer also sounds.
→ Turn the lights off.
Indicates that the EV drive mode is not avail-
able
*2
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.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)

4958-2. Steps to take in an emergency
8
When trouble arises
PRIUS c_U (OM52J11U)
Carrying out the corresponding action turns the message off.
After taking the specified steps to correct the suspected problem,
check that the warning message and light go off.
Other displayed message
Displayed messageDetails/Actions
Maintenance of the hybrid battery (traction battery)
cooling component is required The 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 batter y) cooling component
at your Toyota dealer.
Have the malfunction repaired immediately. (vehicles with a
smart key system)
Interior
buzzerExterior buzzerWarning messageDetails/Actions
Once ⎯ The electronic key is not
detected when an attempt is
made to start the hybrid sys-
tem.
→
Start the hybrid system
with the electronic key
present.
(Flashes)

4968-2. Steps to take in an emergency
PRIUS c_U (OM52J11U)
Once3 times
The electronic key was carried
outside the vehicle and the
driver’s door was opened and
closed while the shift lever was
in P without turning off the
“POWER” switch.
→Turn the “POWER” switch
off or bring the electronic
key back into the vehicle.
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.
Once
Contin-
uous
(For 5 sec-
onds)
An attempt was made to lock
the doors using the entry func-
tion after the electronic key was
carried outside the vehicle with-
out turning off the “POWER”
switch.
→ Turn the “POWER” switch
off and lock the doors
again.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)
(Displayed alternately)
(Flashes)

4978-2. Steps to take in an emergency
8
When trouble arises
PRIUS c_U (OM52J11U)
9 times⎯
An attempt was made to start
the hybrid system without the
electronic key being present, or
the electronic key was not func-
tioning normally.
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.
Contin-
uous⎯
The driver’s door was opened
while a shift lever position other
than P was selected without
turning off the “POWER”
switch.
→ Shift the shift lever to P.
Contin-
uousContin-uous
The electronic key was carried
outside the vehicle and the
driver’s door was opened and
closed while a shift lever posi-
tion other than P was selected
without turning off the
“POWER” switch.
→ Shift the shift lever to P.
→ Bring the electronic key
back into the vehicle.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)
(Flashes)
(Displayed alternately)
(Flashes)

4988-2. Steps to take in an emergency
PRIUS c_U (OM52J11U)
⎯
Contin-uous
(5 sec-
onds)
An attempt was made to lock
the doors using the smart key
system while the electronic key
was still inside the vehicle.
→ Retrieve the electronic key
from the vehicle and lock
the doors again.
Once
Contin-
uous
(5 sec- onds)
An attempt was made to lock
either front door by opening a
door and putting the inside door
lock button into the lock posi-
tion, and then closing the door
while 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⎯
• The electronic key could not
be detected when the
“POWER” switch was
pressed after the doors were
unlocked with the mechanical
key.
• The electronic key could not
be detected two consecutive
times when the “POWER”
switch was pressed.
→ Touch the electronic key to
the “POWER” switch while
depressing the brake
pedal.
Contin-
uous⎯
An attempt was made to start
the hybrid system with the shift
lever in a position other than P.
→ Shift the shift lever to P
and start the hybrid sys-
tem.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)
(Flashes)

4998-2. Steps to take in an emergency
8
When trouble arises
PRIUS c_U (OM52J11U)
⎯⎯
Power was turned off due to the
automatic power off function.
→Next time when starting
the hybrid system,
increase the engine speed
slightly and maintain that
level for approximately 5
minutes to recharge the
12-volt-battery.
Once⎯
The electronic key has a low
battery.
→Replace the electronic key
battery. ( →P. 448)
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. 516), the “POWER” switch
was touched with the electronic
key.
→ Press the “POWER”
switch within 10 seconds
of the buzzer sounding.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)

5148-2. Steps to take in an emergency
PRIUS c_U (OM52J11U)
One of the following may be the cause of the problem:
●Vehicles with a smart key system: The electronic key may not be
functioning properly. ( →P. 516)
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. ( →P. 217)
● Vehicles with immobilizer syst em: There may be a malfunction in
the immobilizer system. ( →P. 8 4 )
● There may be a malfunction in the steering lock system.
● Vehicles with a smart key system : The hybrid system may be mal-
functioning due to an electrical problem such as an open circuit or a
blown fuse. However, depending on the type of malfunction, an
interim measure is available to start the hybrid system. (→P. 515)
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. ( →P. 518)
● The 12-volt battery terminal connections may be loose or corroded.
(→ P. 428)
If the hybrid system will not start
Reasons for the hybrid system not starting vary depending on
the situation. Check the follo wing and perform the appropriate
procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( →P. 184, 188)
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.