2012 TOYOTA PRIUS PLUG-IN key

5
When trouble arises
561
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47818U_(U)
Interior
buzzer
Exterior
buzzerWarning messageDetailsCorrection
procedure
Once⎯
(Flashes)
The elec-
tronic key
does not
operate
properly.
→P. 5 9 1
⎯⎯
Power
was
turned off
due to
the auto-
matic
power off
function.
Next time when
starting the
hybrid system,
increase the
engine speed
slightly and
maintain that
level for approxi-
mately 5 min-
utes to charge
the battery.
NOTICE
■While the engine oil level warning is displayed
Continued engine operation with low engine oil will damage the engine.
■Engine oil maintenance message
The warning message is based on the projected driving range after engine
oil maintenance message is reset.
The system does not monitor the purity of the engine oil.

588
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47818U_(U)
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. 2 3 8 )
One of the following may be the cause of the problem:
●The charging cable may be attached to the vehicle. (→P. 9 1 )
●The electronic key may not be functioning properly.*
(→P. 5 9 1 )
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●There may be a malfunction in the immobilizer system.*
(→P. 1 7 9 )
●There may be a malfunction in the P position control system.*
(→P. 2 4 3 , 5 4 8 )
*: It may not be possible to shift the shift position from P to another
position.
■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. 5 9 4 )
●The 12-volt battery terminal connections may be loose or cor-
roded.

590
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47818U_(U)
If you lose your keys
New genuine keys can be made by your Toyota dealer using the
other key and the key number stamped on your key number plate.

5
When trouble arises
591
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47818U_(U)
If the electronic key does not operate properly
Locking and unlocking the doors
Use the mechanical key (→P. 1 0 5 )
in order to perform the following
operations:
Locks all the doors
Unlocks the door
Turning the key rearward unlocks
the driver’s door. Turning the key
once again within 3 seconds
unlocks the other doors.
If communication between the electronic key and vehicle is inter-
rupted (→P. 1 1 9 ) o r t h e e l e c t r o n i c k e y c a n n o t b e u s e d b e c a u s e t h e
battery is depleted, the smart key system and wireless remote con-
trol cannot be used. In such cases, the doors can be opened and the
hybrid system can be started by following the procedure below.
ITO52P121

592
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47818U_(U)
Starting the hybrid system
Depress the brake pedal.
To u c h t h e To y o t a e m b l e m s i d e o f
the electronic key to the
“POWER” switch.
If any of the doors is opened or
closed while the key is being
touched to the switch, an alarm
will sound to indicate that the start
function cannot detect the elec-
tronic key.
Press the “POWER” switch within 10 seconds of the buzzer
sounding, keeping the brake pedal depressed.
In the event that the hybrid system still cannot be operated, contact
your Toyota dealer.
STEP 1
STEP 2
STEP 3

5
When trouble arises
593
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47818U_(U)
■Stopping the hybrid system
Set the parking brake, shift the shift position to P and press the “POWER”
switch as you normally do when stopping the hybrid system.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the
electronic key battery be replaced immediately when the battery is depleted.
(→P. 4 9 3 )
■Changing “POWER” switch modes
Within 10 seconds of the buzzer sounding, release the brake pedal and
press the “POWER” switch.
The hybrid system does not start and modes will be changed each time the
switch is pressed. (→P. 2 4 0 )

640
6-2. Customization
PRIUS PHV_OM_OM47818U_(U)
ItemFunctionDefault
setting
Custom-
ized
setting
Smart key
system
(→P. 1 0 8 )
Smart key
systemON OFF O O O
Select doors to
unlock
Driver’s
doorAll doors O O O
Wireless
remote
control
(→P. 1 3 2 )
Wireless remote
control ON OFF – – O
Unlocking
operation
Driver’s
door
unlocked in
1-step, all
doors
unlocked
in 2-step
All doors
unlocked
in 1-step
OOO
Panic function ON OFF – – O
Buzzer sounds
when pushing
with any
door not closed
ON OFF – – O

641
6-2. Customization
6
Vehicle specifications
PRIUS PHV_OM_OM47818U_(U)
ItemFunctionDefault
setting
Custom-
ized
setting
Smart key
system
(→P. 1 0 8 )
and wire-
less remote
control
(→P. 1 3 2 )
Operation
signals
(Emergency
flashers)
ON OFF – O O
Operation
signals
(Buzzers)
Level 7
Level 1 to 6
OOO
OFF
Time elapsed
before
automatic door
lock function is
activated if door
is not opened
after being
unlocked
60 seconds
OFF
–OO30
seconds
120
seconds