Page 37 of 512
37
1-3. Opening, closing and locking the doors and back door
1
Before driving
PRIUS_U_(L/O_0802)
Locking and unlocking the doors (front door handles only)
Press the lock button to lock the
door.
Grip the handle to unlock the
door.
Make sure to touch the sensor on
the back of the handle.
The door cannot be unlocked for
3 seconds after the door is
locked.
Page 38 of 512
38 1-3. Opening, closing and locking the doors and back door
PRIUS_U_(L/O_0802)
Locking and unlocking the back doorPress the lock button to lock the
door.
Press the open switch to unlock
the door.
The door cannot be unlocked for 3
seconds after the door is locked.
Page 39 of 512
39
1-3. Opening, closing and locking the doors and back door
1
Before driving
PRIUS_U_(L/O_0802)
Antenna location a
nd effective range
■ Antenna location
Antennas outside cabin
Antennas inside cabin
Antenna outside back door
Page 40 of 512
40 1-3. Opening, closing and locking the doors and back door
PRIUS_U_(L/O_0802)■
Effective range (areas within which the electronic key is
detected)
When locking or unlocking
the doors
The system can be operated
when the electronic key is
within about 3ft. (1 m) of an
outside front door handles.
(Only the doors detecting the
key can be operated.)
When starting the hybrid
system or changing
“POWER” switch modes
The system can be operated
when the electronic key is
inside the vehicle.
When unlocking the back
door
The system can be operated
when the electronic key is
within about 3 ft. (1 m) of the
back door release button.
ITY13P007
Page 41 of 512
41
1-3. Opening, closing and locking the doors and back door
1
Before driving
PRIUS_U_(L/O_0802)
To disable smart key system
If you do not intend to drive your vehicle for a long time, push the can-
cel switch to deactivate the smart entry and start system.
Disabled
Enabled
KEY
ITY13P008
Page 42 of 512

42 1-3. Opening, closing and locking the doors and back door
PRIUS_U_(L/O_0802)
■Operation signals
A buzzer sounds and the emergency flashers flash to indicate that the doors
have been locked/unlocked. (Locked: Once; Unlocked: Twice)
■ Conditions affecting operation
The smart key system uses weak radio waves. In the following situations,
the communication between the electronic key and the vehicle may be
affected, preventing the smart key system and wireless remote control from
operating properly. (Way of coping: P. 450)
● When the electronic key battery is depleted
● Near a TV tower, electric power plant, gas station, radio station, large dis-
play, airport or other facility that generates strong radio waves or electri-
cal noise
● When carrying a portable radio, ce llular phone, cordless phone or other
wireless communication devices
● When the electronic key has come into contact with, or is covered by a
metallic object
● When multiple electronic keys are in the vicinity
● When carrying or using the electronic key together with the following
devices that emit radio waves
• Another vehicle’s electronic key
• A wireless key that emits radio waves
• Personal computer
● If window tint with a metallic content or metallic objects are attached to
the rear window
Page 43 of 512

43
1-3. Opening, closing and locking the doors and back door
1
Before driving
PRIUS_U_(L/O_0802)
■
Switching the door unlock function
It is possible to set which doors the entry function unlocks.
Turn the “POWER” switch OFF.
When the indicator on the key surface is turned off, push and hold for approximately 5 seconds while pushing the button on
the key.
The setting changes each time an operation is performed, as shown below.
(Wait for at least 5 seconds after each operation to continue an operation.)
Unlock the doors using the wireless remote control and open one of
the doors.
If a door is not opened within 30 seconds after is pressed, the
doors will be locked again and the alarm will automatically be set.
In case that the alarm is triggered, immediately stop the alarm.
(P. 84)
STEP1
STEP2
ModeUnlocking doorsBeep
Driver’s door
unlocking mode Hold the driver’s door
handle to unlock only the
driver’s
Exterior: one beep
Interior: two beeps
sound three times
Hold the passenger’s door
handle or back door
opener to unlock all the
doors
All doors
unlocking mode Hold the front door handle
or back door opener to
unlock all the doors Exterior: one beep
Interior: two beeps
sound twice
Single door
unlocking mode Hold the driver’s door or
back door opener to unlock
the door.
Exterior: one beeps
Interior: two beeps
sound once
Hold the passenger’s door
handle to unlock all the
doors
STEP3
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44 1-3. Opening, closing and locking the doors and back door
PRIUS_U_(L/O_0802)
■Battery-saving function
In the following circumstances, the entry function is disabled in order to pre-
vent the vehicle and electronic key batteries from discharging.
● When the entry function has not been used for 2 weeks or more
● When the electronic key has been left within approximately 3 ft. (1 m) of
the vehicle for 10 minutes or more
The system will resume operation when...
● The vehicle is locked using the door handle lock switch
● The vehicle is locked/unlocked using the wireless remote control function
(P. 49) or the mechanical key ( P. 450)
■ Electronic key battery depletion
● The standard battery life is 1 to 3 years. (The battery becomes depleted
even if the electronic key is not used.) If the smart key system or the
wireless remote control function does not operate, or the detection area
becomes smaller, the battery may be depleted. Replace the battery when
necessary. ( P. 396)
● To avoid serious deterioration, do not leave the electronic key within 3 ft.
(1 m) of the following electrical appliances.
•TVs
• Personal computers
• Recharging cellular phones or cordless phones
• Table lamps
■ To operate the system properly
Make sure to carry the electronic key when operating the system. Do not get
the electronic key too close to the vehicle when operating the system from
the outside of the vehicle.
Depending on the position and holding condition of the electronic key, the
key may not be detected correctly and the system may not operate properly.
(The alarm may go off accidentally, or the door lock prevention may not func-
tion.)