Toyota Prius Prime (2022 year). Manual in english — page 18

NOTICE

■

Back door damper stays

The back door is equipped with damper stays that hold the back door in
place.
Observe the following precautions.
Failure to do so may cause damage to the back door damper stay, resulting
in malfunction.

●

Do not place your hand on the damper stay or apply lateral forces to it.

●

Do not attach any foreign objects, such
as stickers, plastic sheets, or adhesives
to the damper stay rod.

●

Do not touch the damper stay rod with
gloves or other fabric items.

●

Do not attach any accessories other
than genuine Toyota parts to the back
door.

290

Smart key system

●

Unlocks and locks the doors (

P. 279)

●

Unlocks and locks the back door (if equipped) (

P. 285)

●

Unlocks the charging port lid (if equipped) (

P. 123)

●

Unlocks and locks the charging connector (if equipped) (



P. 126)

●

Starts the hybrid system (

P. 332)

■

Antenna location

The following operations can be performed simply by carrying
the electronic key on your person, for example in your pocket.
The driver should always carry the electronic key.

Antenna outside the cabin (driver’s
side)
Antenna outside the cabin (front pas-
senger’s side)

Antennas inside the cabin
Antenna outside the luggage compart-
ment

Antenna outside the charging port lid

: If equipped

291

■

Effective range (areas within which the electronic key is detected)

When unlocking the charging port lid, when locking and unlocking the
charging connector

The system can be operated when the electronic key is within about 2.3
ft. (0.7 m) of the charging port lid.
When starting the hybrid system or changing power switch modes
The system can be operated when the electronic key is inside the vehi-
cle.

: If equipped

■

Alarms and warning messages

An alarm sounds and warning message displays shown on the multi-informa-
tion display are used to protect against unexpected accidents or theft of the
vehicle resulting from erroneous operation. When a warning message is dis-
played, take appropriate measures based on the displayed message.
When only an alarm sounds, circumstances and correction procedures are as
follows.

When locking or unlocking the doors
The system can be operated when
the electronic key is within about
2.3 ft. (0.7 m) of driver’s door handle,
front passenger’s door handle

and

back door opener switch

. (Only the

doors detecting the key can be oper-
ated.)

Alarm

Situation

Correction procedure

Exterior

alarm

sounds once for 5
seconds

An attempt was made to
lock the vehicle while a door
was open.

Close all of the doors
and lock the doors
again.

Interior

alarm

pings repeatedly

The power switch was
turned

to ACCESSORY

mode while the driver’s door
was open (The driver’s door
was opened when the
power

switch

was

ACCESSORY mode).

Turn the power switch
off and close the
driver’s door.

292

■

When “Smart Key System malfunction See owner’s manual” is dis-
played on the multi-information display

The system may be malfunctioning. Have the vehicle inspected by your
Toyota dealer immediately.

■

Battery-saving function

The battery-saving function will be activated in order to prevent the electronic
key battery and the 12-volt battery from being discharged while the vehicle is
not in operation for a long time.

●

In the following situations, the smart key system may take some time to
unlock the doors.
• The electronic key has been left in an area of approximately 6 ft. (2 m) of

the outside of the vehicle for 10 minutes or longer.

• The smart key system has not been used for 5 days or longer.

●

If the smart key system has not been used for 14 days or longer, the doors
cannot be unlocked at any doors except the driver’s door. In this case, take
hold of the driver’s door handle, or use the wireless remote control or the
mechanical key, to unlock the doors.

■

Electronic Key Battery-Saving Function

When battery-saving mode is set, battery depletion is minimized by stopping
the electronic key from receiving radio waves.

Press

twice while pressing and

holding

. Confirm that the electronic

key indicator flashes 4 times.
While the battery-saving mode is set, the
smart key system cannot be used. To
cancel the function, press any of the elec-
tronic key buttons.

293

■

Conditions affecting operation

The smart key system, wireless remote control and immobilizer system use
weak radio waves. In the following situations, the communication between
the electronic key and the vehicle may be affected, preventing the smart key
system, wireless remote control and immobilizer system from operating prop-
erly. (Ways of coping:



P. 708)

●

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 electrical
noise

●

When the electronic key is in contact with, or is covered by the following
metallic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
• Coins
• Hand warmers made of metal
• Media such as CDs and DVDs

●

When other wireless key (that emit radio waves) is being used nearby

●

When carrying the electronic key together with the following devices that
emit radio waves
• Portable radio, cellular phone, cordless phone or other wireless commu-

nication devices

• Another vehicle’s electronic key or a wireless key that emits radio waves
• Personal computers or personal digital assistants (PDAs)
• Digital audio players
• Portable game systems

●

If window tint with a metallic content or metallic objects are attached to the
rear window

●

When the electronic key is placed near a battery charger or electronic
devices

294

■

Note for the entry function

●

Even when the electronic key is within the effective range (detection areas),
the system may not operate properly in the following cases:
• The electronic key is too close to the window or outside door handle, near

the ground, or in a high place when the doors are locked or unlocked.

• The electronic key is on the instrument panel, floor, or in the door pockets

or glove box when the hybrid system is started or power switch modes
are changed.

●

Do not leave the electronic key on top of the instrument panel or near the
door pockets when exiting the vehicle. Depending on the radio wave recep-
tion conditions, it may be detected by the antenna outside the cabin and the
door will become lockable from the outside, possibly trapping the electronic
key inside the vehicle.

●

As long as the electronic key is within the effective range, the doors may be
unlocked or locked by anyone.

●

Even if the electronic key is not inside the vehicle, it may be possible to start
the hybrid system if the electronic key is near the window.

●

The doors may unlock if a large amount of water splashes on the door han-
dle, such as in the rain or in a car wash when the electronic key is within the
effective range. (The door will automatically be locked after approximately
60 seconds if the doors are not opened and closed.)

●

If the wireless remote control is used to lock the doors when the electronic
key is near the vehicle, there is a possibility that the door may not be
unlocked by the entry function. (Use the wireless remote control to unlock
the doors.)

●

Touching the door lock sensor while wearing gloves may delay or prevent
lock operation. Remove the gloves and touch the lock sensor again.

●

If the door handle becomes wet while the electronic key is within the effec-
tive range, the door may lock and unlock repeatedly. In this case, follow the
following correction procedures to wash the vehicle.
• Place the electronic key in a location 6 ft. (2 m) or more away from the

vehicle. (Take care to ensure that the key is not stolen.)

• Set electronic key to battery-saving mode to disable the smart key sys-

tem. (

P. 292)

●

If the electronic key is inside the vehicle and a door handle becomes wet
during a car wash, a message may be shown on the multi-information dis-
play and a buzzer will sound outside the vehicle. To turn off the alarm, lock
all the doors.

●

The lock sensor may not work properly if it comes into contact with ice,
snow, mud, etc. Clean the lock sensor and attempt to operate it again.

●

A sudden approach to the effective range or door handle may prevent the
doors from being unlocked. In this case, return the door handle to the origi-
nal position and check that the doors unlock before pulling the door handle
again.

●

If there is another electronic key in the detection area, it may take slightly
longer to unlock the doors after the door handle is gripped.

295

■

When the vehicle is not driven for extended periods

●

To prevent theft of the vehicle, do not leave the electronic key within 6 ft.
(2 m) of the vehicle.

●

The smart key system can be deactivated in advance. (

P. 749)

■

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 operate.)

■

If the smart key system does not operate properly

●

Locking and unlocking the doors: Use the mechanical key. (



P. 708)

●

Starting the hybrid system:



P. 709

■

Customization

Settings (e.g. smart key system) can be changed.
(Customizable features:



P. 749)

■

If the smart key system has been deactivated in a customized setting

●

Unlocking and locking the doors:
Use the wireless remote control or mechanical key. (



P. 280, 708)

●

Unlocking the charging port lid:



P. 124

●

Unlocking and locking the charging connector:

P. 128

●

Starting the hybrid system and changing power switch modes:



P. 709

●

Stopping the hybrid system:



P. 333

WARNING

■

Caution regarding interference with electronic devices

●

People with implantable cardiac pacemakers, cardiac resynchronization
therapy-pacemakers or implantable cardioverter defibrillators should keep
away from the smart key system antennas. (



P. 290)

The radio waves may affect the operation of such devices. If necessary,
the entry function can be disabled. Ask your Toyota dealer for details, such
as the frequency of radio waves and timing of the emitted radio waves.
Then, consult your doctor to see if you should disable the entry function.

●

Users of any electrical medical device other than implantable cardiac
pacemakers, cardiac resynchronization therapy-pacemakers or implant-
able cardioverter defibrillators should consult the manufacturer of the
device for information about its operation under the influence of radio
waves.
Radio waves could have unexpected effects on the operation of such
medical devices.

Ask your Toyota dealer for details on disabling the entry function.

296

Front seats



Manual seat

Seat position adjustment lever
Seatback angle adjustment
lever
Vertical height adjustment lever
(for driver’s side)



Power seat (if equipped for driver’s side)

Seat position adjustment switch
Seat cushion (front) angle
adjustment switch
Vertical

height

adjustment

switch
Seatback angle adjustment
switch
Lumbar support adjustment
switch

Adjustment procedure

1
2

297

■

When adjusting the seat

Take care when adjusting the seat so that the head restraint does not touch
the ceiling.

WARNING

■

When adjusting the seat position

●

Take care when adjusting the seat position to ensure that other passen-
gers are not injured by the moving seat.

●

Do not put your hands under the seat or near the moving parts to avoid
injury.
Fingers or hands may become jammed in the seat mechanism.

■

Seat adjustment

●

To reduce the risk of sliding under the lap belt during a collision, do not
recline the seat more than necessary.
If the seat is too reclined, the lap belt may slide past the hips and apply
restraint forces directly to the abdomen, or your neck may contact the
shoulder belt, increasing the risk of death or serious injury in the event of
an accident.
Adjustments should not be made while driving as the seat may unexpect-
edly move and cause the driver to lose control of the vehicle.

●

Manual seats: After adjusting the seat, make sure that the seat is locked in
position.

298

Rear seats

Park the vehicle in a safe place.

Apply the parking brake firmly (

P. 346) and shift the shift position to P.

(

P. 340)

Adjust the position of the front seat and the angle of the seatback.
(



P. 296)

Depending on the position of the front seat, if the seatback is folded back-
ward, it may interfere with the operation of the rear seat.

Lift up and push down the head restraints of the rear outboard
seats, and lower the head restraint of the rear center seat.
(



P. 300)

Stow the armrest of the rear seat if it is pulled out. (



P. 562)

This step is not necessary when operating the left side seat only.

Pull the seatback lock release
lever and fold the seatback down.

To avoid trapping the seat belt
between the seat and the inside of
the vehicle, pass the seat belt
inside the seat belt guide and then
return the seatback securely to
the locked position.

The seatbacks can be folded down.

Before folding down the seatbacks

Folding down the seatbacks

Returning the rear seatbacks

Seat belt guide

299

WARNING

■

When folding the seatbacks down

Observe the following precautions. Failure to do so may result in death or
serious injury.

●

Do not fold the seatbacks down while driving.

●

Stop the vehicle on level ground, apply the parking brake firmly and shift
the shift position to P.

●

Do not allow anyone to sit on a folded seatback or in the luggage compart-
ment while driving.

●

Do not allow children to enter the luggage compartment.

●

Do not operate the rear seat if it is occupied.

●

Be careful not to get feet or hands caught in the moving parts or joints of
the seats during operation.

●

Do not allow children to operate the seat.

■

After returning the seatback to the upright position

Observe the following precautions. Failure to do so may result in death or
serious injury.

●

Check that the seat belts are not twisted or caught in the seatback.

●

Make sure that the seatback is securely
locked in position by lightly pushing it
back and forth.
If the seatback is not securely locked,
the red marking will be visible on the
seatback lock release lever. Make sure
that the red marking is not visible.

300

Head restraints

Pull the head restraints up.

Down

Push the head restraint down while
pressing the lock release button.

■

Rear outboard seats

To fold

Pull the head restraint up while
pressing the lock release button.

To use

Lift up and push down the head
restraint to the lowest lock posi-
tion.

■

Rear center seat

Pull the head restraints up.

Down

Push the head restraint down
while pressing the lock release
button.

Head restraints are provided for all seats.

Front seats

Lock release button

Rear seats

Lock release button

301

■

Removing the head restraints



Front and rear center seats



Rear outboard seats

■

Installing the head restraints



Front and rear center seats

Pull the head restraint up while pressing
the lock release button.

Pull the seatback lock release lever and
fold down the seatback until it reaches
the position where the head restraints
can be removed.

Pull the head restraint up while pressing
the lock release buttons.

Align the head restraint with the installa-
tion holes and push it down to the lock
position.
Press and hold the lock release button
when lowering the head restraint.

Lock release button

Lock release
buttons

Lock release button

302

4-4. Adjusting the steering wheel and mirrors



Rear outboard seats

■

Adjusting the height of the head restraints (front seats)

■

Adjusting the rear center seat head restraint

Always raise the head restraint one level from the stowed position when
using.

Pull the seatback lock release lever and
fold down the seatback until it reaches
the position where the head restraints
can be installed.

Align the head restraint with the installa-
tion holes and push it down to the low-
est lock position.

Make sure that the head restraints are
adjusted so that the center of the head
restraint is closest to the top of your ears.

WARNING

■

Head restraint precautions

Observe the following precautions regarding the head restraints. Failure to
do so may result in death or serious injury.

●

Use the head restraints designed for each respective seat.

●

Adjust the head restraints to the correct position at all times.

●

After adjusting the head restraints, push down on them and make sure
they are locked in position.

●

Do not drive with the head restraints removed.

303