TOYOTA PRIUS 2021 Owners Manual (in English)

PRIUS_OM_OM47E09U_(U)
1813-1. Key information
3
Operation of each component
To take out the mechanical key,
slide the release lever and take
the key out.
The mechanical key can only be
inserted in one direction, as the
key only has grooves on one side.
If the key cannot be inserted in a
lock cylinder, turn it over and re-
attempt to insert it.
After using the mechanical key, store it in the electronic key. Carry the
mechanical key together with the electronic key. If the electro nic key bat-
tery is depleted or the entry function does not operate properl y, you will
need the mechanical key. ( P. 647)
■Panic mode
■ If you lose your mechanical keys
New genuine mechanical keys can be made by your Toyota dealer u sing
another mechanical key and the key number stamped on your key n umber
plate. Keep the plate in a safe place such as your wallet, not in the vehicle.
■ When riding in an aircraft
When bringing an electronic key onto an aircraft, make sure you do not press
any buttons on the electronic key while inside the aircraft cab in. If you are
carrying an electronic key in your bag etc., ensure that the bu ttons are not
likely to be pressed accidentally. Pressing a button may cause the electronic
key to emit radio waves that could interfere with the operation of the aircraft.
Using the mechanical key
Release
lever
When is pressed for longer than
about one second, an alarm will sound
intermittently and the vehicle lights will
flash to deter any person from trying to
break into or damage your vehicle.
To stop the alarm, press any button on the
electronic key.

182
PRIUS_OM_OM47E09U_(U)
3-1. Key information
■Electronic key battery depletion
●The standard battery life is 1 to 2 years.
● If the battery becomes low, an alarm will sound in the cabin an d a message
will be displayed on the multi-information display when the hyb rid system
stops.
● As the electronic key always receives radio waves, the battery will become
depleted even if the electronic key is not used. The following symptoms indi-
cate that the electronic key battery may be depleted. Replace the battery
when necessary. ( P. 560)
• The smart key system or the wireless remote control does not o perate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on.
You can replace the battery by yourself ( P. 560). However, as there is a
danger that the electronic key may be damaged, it is recommende d that
replacement is carried out by your Toyota dealer.
● To avoid serious deterioration, do not leave the electronic key within 3 ft.
(1 m) of the following electrical appliances that produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Table lamps
• Induction cookers

PRIUS_OM_OM47E09U_(U)
1833-1. Key information
3
Operation of each component
■If a message regarding the state of the electronic key or power switch
mode, etc. is shown
To prevent trapping the electronic key inside the vehicle, leav ing the vehicle
without turning off the power switch or other passengers from u nintentionally
taking the key out of the vehicle, etc., a message that prompts the user to
confirm the state of the electronic key or power switch mode ma y be shown
on the multi-information display. In those cases, follow the in structions on the
display immediately.
■ If “Key Battery Low Replace Key Battery” is displayed on the multi-infor-
mation display
The electronic key has a low battery. Replace the electronic ke y battery.
( P. 560)
■ Replacing the battery
P. 560
■ Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask
your Toyota dealer.
■ If “A New Key has been Registered Contact Your Dealer for Detai ls” is
displayed on the multi-information display
This message will be displayed each time the driver’s door is opened when
the doors are unlocked from the outside for approximately 10 da ys after a
new electronic key has been registered.
If this message is displayed but you have not had a new electro nic key regis-
tered, ask your Toyota dealer to check if an unknown electronic key (other
than those in your possession) has been registered.
■ If a wrong key is used
The key cylinder rotates freely to isolate inside mechanism.

184
PRIUS_OM_OM47E09U_(U)
3-1. Key information
NOTICE
■To prevent key damage
● Do not drop the keys, subject them to strong shocks or bend them.
● Do not expose the keys to high temperatures for long periods of time.
● Do not get the keys wet or wash them in an ultrasonic washer et c.
● Do not attach metallic or magnetic materials to the keys or pla ce the keys
close to such materials.
● Do not disassemble the keys.
● Do not attach a sticker or anything else to the surface of the electronic key.
● Do not place the keys near objects that produce magnetic fields , such as
TVs, audio systems and induction cookers.
● Do not place the keys near medical electrical equipment such as low-fre-
quency therapy equipment or microwave therapy equipment, and do not
receive medical attention with the keys on your person.
■ Carrying the electronic key on your person
Carry the electronic key 3.9 in. (10 cm) or more away from elec tric appli-
ances that are turned on. Radio waves emitted from electric app liances
within 3.9 in. (10 cm) of the electronic key may interfere with the key, caus-
ing the key to not function properly.
■ In case of a smart key system malfunction or other key-related prob-
lems
Take your vehicle with all the electronic keys provided with yo ur vehicle to
your Toyota dealer.
■ When an electronic key is lost
If the electronic key remains lost, the risk of vehicle theft i ncreases signifi-
cantly. Visit your Toyota dealer immediately with all remaining electronic
keys that were provided with your vehicle.

185
PRIUS_OM_OM47E09U_(U)
3-2. Opening, closing and locking the doors
3
Operation of each component
Side doors
◆Smart key system
Carry the electronic key to enable this function.
Grip the driver’s door handle
to unlock the door. Holding
the driver’s door handle for
approximately 2 seconds
unlocks all the doors.
Some models, grip the front
passenger’s door handle to
unlock all the doors
*.
Make sure to touch the sensor on the back of the handle.
The doors cannot be unlocked for 3 seconds after the doors are locked.
*: The door unlock settings can be changed. ( P. 189)
Touch the lock sensor (the indentation on the surface of the front
door handle) to lock the doors.
Check that the door is securely locked.
The vehicle can be locked and unlocked using the entry func-
tion, wireless remote control or door lock switches.
Unlocking and locking the doors from the outside
1
2

186
PRIUS_OM_OM47E09U_(U)
3-2. Opening, closing and locking the doors
◆Wireless remote controlLocks all the doors
Check that the door is securely
locked.
Unlocks all the doors
Pressing the button unlocks the
driver’s door. Pressing the but-
ton again within 3 seconds
unlocks the other doors.
Press and hold to open the side
windows and moon roof (if
equipped).
*
*
: This setting must be customized at your Toyota dealer.
■ Operation signals
Doors:
A buzzer sounds and the emergency flashers flash to indicate th at the doors
have been locked/unlocked. (Locked: Once; Unlocked: Twice)
Side windows and moon roof (if equipped):
A buzzer sounds to indicate that the side windows and moon roof are operat-
ing.
■ Security feature
If a door is not opened within approximately 60 seconds after t he vehicle is
unlocked, the security feature automatically locks the vehicle again.
■ When the door cannot be locked by the lock sensor on the surface of the
door handle
■ Door lock buzzer
If an attempt to lock the doors is made when a door is not full y closed, a
buzzer sounds continuously for 5 seconds. Fully close the door to stop the
buzzer, and lock the vehicle once more.
■ If the smart key system or the wireless remote control does not operate
properly
●Use the mechanical key to lock and unlock the doors. ( P. 647)
● Replace the key battery with a new one if it is depleted. ( P. 560)
1
2
When the door cannot be locked even if
the lock sensor on the surface of the door
handle is touched by a finger, touch the
lock sensor with the palm.
When gloves are being worn, remove the
gloves.

PRIUS_OM_OM47E09U_(U)
1873-2. Opening, closing and locking the doors
3
Operation of each component
◆Door lock switchesLocks all the doors
Unlocks all the doors
◆Inside lock buttonsLocks the door
Unlocks the door
The front doors can be opened
by pulling the inside handle
even if the lock buttons are in
the lock position.
Move the inside lock bu tton to the lock position.
Close the door.
The door cannot be locked if the p ower switch is in ACCESSORY or
ON mode, or the electronic key is left inside the vehicle.
The key may not be detected correctly and the door may be locke d.
Locking and unlocking the doors from the inside
1
2
1
2
Locking the front doors from the outside without a key
1
2

188
PRIUS_OM_OM47E09U_(U)
3-2. Opening, closing and locking the doors
The door cannot be opened from
inside the vehicle when the lock is
set.Unlock
Lock
These locks can be set to prevent
children from opening the rear
doors. Push down on each rear
door switch to lock both rear doors.
The following functions can be set or canceled:
For instructions on customizing, refer to P. 690.
Rear door child-protector lock
1
2
Automatic door locking and unlocking systems
FunctionOperation
Shift position linked door
locking functionShifting the shift position to any positions other
than P locks all the doors.
Shift position linked door
unlocking functionShifting the shift position to P unlocks all the
doors.
Speed linked door lock-
ing functionAll the doors are locked when the vehicle speed
is approximately 12 mph (20 km/h) or higher.
Driver’s door linked door
unlocking functionAll the doors are unlocked when the driver’s
door is opened within approximately 45 seconds
after turning the power switch off.

PRIUS_OM_OM47E09U_(U)
1893-2. Opening, closing and locking the doors
3
Operation of each component
■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 h old or
for approximately 5 seconds while pushing the button on the k ey.
The setting changes each time an operation is performed, as sho wn below.
(When changing the setting continuously, release the buttons, w ait for at least
5 seconds, and repeat step .)
■ Using the mechanical key
The doors can also be locked and unlocked with the mechanical k ey.
( P. 647)
■ Open door warning buzzer
If the vehicle speed reaches 3 mph (5 km/h), the master warning light flashes
and a buzzer sounds to indicate that the door(s) is not fully c losed.
The open door(s) is displayed on the multi-information display.
■ Conditions affecting the operation of the smart key system or w ireless
remote control
P. 198
■ Customization
Settings (e.g. unlocking function using a key) can be changed.
(Customizable features: P. 690)
Multi-information
displayUnlocking doorsBeep
Hold the driver’s door handle
to unlock only the driver’s
door.
Exterior: Beeps three
times
Interior: Pings once
Hold the passenger’s door
handle or back door opener
to unlock all the doors.
Hold the front door handle or
back door opener to unlock
all the doors.Exterior: Beeps twice
Interior: Pings once
1
2
2

190
PRIUS_OM_OM47E09U_(U)
3-2. Opening, closing and locking the doors
WARNING
■To prevent an accident
Observe the following precautions while driving the vehicle.
Failure to do so may result in a door opening and an occupant could be
thrown out of the vehicle, resulting in death or serious injury .
● Ensure that all doors are properly closed and locked.
● Do not pull the inside handle of the doors while driving.
Be especially careful for the front doors, as the doors may be opened even
if the inside lock buttons are in locked position.
● Set the rear door child-protector locks when children are seate d in the rear
seats.
■ When opening or closing a door
Check the surroundings of the vehicle such as whether the vehic le is on an
incline, whether there is enough space for a door to open and w hether a
strong wind is blowing. When opening or closing the door, hold the door
handle tightly to prepare for any unpredictable movement.
■ When using the wireless remote control and operating the power win-
dows or moon roof (if equipped)
Operate the power window or moon roof after checking to make su re that
there is no possibility of any passenger having any of their body parts
caught in the side window or moon roof. Also, do not allow chil dren to oper-
ate the wireless remote control. It is possible for children an d other passen-
gers to get caught in the power window or moon roof.