2012 TOYOTA PRIUS C key

5
When trouble arises
451
5-2. Steps to take in an emergency
OnceContinuous
(For 5 seconds)
(Displayed alter- nately)
(Flashes) An attempt was
made to lock
the doors using
the entry func-
tion after the
electronic key
was carried out-
side the vehicle
without turning
off the
“POWER”
switch.
Turn the
“POWER”
switch off and
lock the doors
again.
9 times
(Flashes)An attempt was
made to start
the hybrid sys-
tem without the
electronic key
being present,
or the elec-
tronic key was
not functioning
normally.
An attempt was
made to drive
when the regu-
lar key was not
inside the vehi-
cle.
Confirm that the
electronic key is
inside the vehi-
cle.
Interior
buzzerExterior buzzerWarning messageDetailsCorrection procedure

452 5-2. Steps to take in an emergency
Continuous(Flashes)The driver’s
door was
opened while a
shift lever posi-
tion other than
P was selected
without turning
off the
“POWER”
switch.
Shift the shift
lever to P.
ContinuousContinuous
(Displayed alter-
nately)
(Flashes) The electronic
key was carried
outside the
vehicle and the
driver’s door
was opened
and closed
while a shift
lever position
other than P
was selected
without turning
off the
“POWER”
switch.
• Shift the shift
lever to P.
• Bring the elec- tronic key back
into the vehicle.
Interior
buzzerExterior buzzerWarning messageDetailsCorrection procedure

5
When trouble arises
453
5-2. Steps to take in an emergency
OnceContinuous
(Flashes)
An attempt was
made to lock
the doors using
the smart key
system while
the electronic
key was still
inside the vehi-
cle.
Retrieve the
electronic key
from the vehi-
cle and lock the
doors again.
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.
Interior
buzzerExterior buzzerWarning messageDetailsCorrection procedure

454 5-2. Steps to take in an emergency
Once(Flashes)• 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 elec-
tronic key to the
“POWER”
switch while
depressing the
brake pedal.
Once
(Flashes)An attempt was
made to start
the hybrid sys-
tem with the
shift lever in a
position other
than P.
Shift the shift
lever to P and
start the hybrid
system.
 Power was
turned off due to
the automatic
power off func-
tion.Next time when
starting the
hybrid system,
increase the
engine speed
slightly and
maintain that
level for approx-
imately 5 min-
utes to recharge
the 12-volt-bat-
tery.
Interior
buzzerExterior buzzerWarning messageDetailsCorrection procedure

5
When trouble arises
455
5-2. Steps to take in an emergency
Once
The electronic
key has a low
battery.Replace the
electronic key
battery.
(
P. 397)
Once
(Flashes)The driver's
door was
opened and
closed with the
“POWER”
switch turned off
and then the
“POWER”
switch was put
in ACCES-
SORY mode
twice without
the hybrid sys-
tem 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 func-
tioning properly
( P. 473), the
“POWER”
switch was
touched with
the electronic
key. Press the
“POWER”
switch within 10
seconds of the
buzzer sound-
ing.
Interior
buzzerExterior buzzerWarning messageDetailsCorrection procedure

5
When trouble arises
469
5-2. Steps to take in an emergency
If the hybrid system will not start
Reasons for the hybrid system not starting vary depending on the
situation. Check the following and perform the appropriate proce-
dure:
■ The hybrid system will not start even though the correct
starting procedure is being followed. ( P. 158, 162)
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. 474)
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. ( P. 105)
● Vehicles with immobilizer sy stem: There may be a malfunc-
tion in the immobilizer system. ( P. 1 1 0 )
● There may be a malfunction in the steering lock system.
● Vehicles with a smart key syst em: The hybrid system may be
malfunctioning 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. 470)
■ The interior lights and headlights are dim, or the horn does
not sound or sounds at a low volume.
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 475)
● The 12-volt battery terminal c onnections may be loose or cor-
roded.

470 5-2. Steps to take in an emergency
Emergency start function (vehicles with a smart key system)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: Shift the shift lever to P.
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.
One of the following may be the cause of the problem:
●One or both of the 12-volt ba ttery terminals may be discon-
nected.
● The 12-volt battery may be discharged. ( P. 475)
Contact your Toyota dealer if the problem cannot be repaired, or if
repair procedures are unknown.
STEP1
STEP2
STEP3
STEP4

5
When trouble arises
471
5-2. Steps to take in an emergency
If the shift lever cannot be shifted from P
If the shift lever cannot be shifted with your foot on the brake pedal,
there may be a problem with the shift lock system (a system to pre-
vent accidental operation of the shift lever). Have the vehicle
inspected by your Toyo ta dealer immediately.
The following steps may be used as an emergency measure to
ensure that the shift lever can be shifted:
Set the parking brake.
Vehicles without a smart key system
Turn the engine switch to the “ACC” position.
Vehicles with a smart key system
Turn the “POWER” switch to ACCESSORY mode.
Depress the brake pedal.
Pry the cover up with a flat-
head screwdriver or equiva-
lent tool.
To prevent damage to the
cover, cover the tip of the
screwdriver with a rag.
Press the shift lock override
button.
The shift lever can be shifted
while the button is pressed.
STEP1
STEP2
STEP3
STEP4
STEP5