Get Opening, closing and locking the doors -> Smart key system Guide for Toyota Prius 4 Door Fourth Generation (2016-2022)

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3-2. Opening, closing and locking the doors

Smart key system

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.

● Unlocks and locks the doors (P. 181)

● Unlocks and locks the back door (if equipped) (P. 187)

● Starts the hybrid system (P. 241)

■Antenna location

1

Antenna outside the cabin (driver’s

side)

2

Antenna outside the cabin (front pas-

^{senger’s side)}*

Antennas inside the cabin

3

4

Antenna outside the luggage compart-

^ment*

*^{: If equipped}

■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

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.)

*: If equipped

When starting the hybrid system or changing power switch modes

The system can be operated when the electronic key is inside the vehi-

cle.

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3-2. Opening, closing and locking the doors

■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.

Alarm

Exterior

Situation

Correction procedure

alarm An attempt was made to Close all of the doors

sounds once for 5 lock the vehicle while a door and lock the doors

seconds

was open.

again.

The power switch was

turned to ACCESSORY

3

mode while the driver’s door Turn the power switch

was open (The driver’s door off and close the

was opened when the driver’s door.

power switch was in

Interior

pings repeatedly

alarm

ACCESSORY mode).

■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.

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3-2. Opening, closing and locking 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

. Confirm that the electronic

holding

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.

■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. 635)

●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

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3-2. Opening, closing and locking the doors

■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.

3

●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.

●When the lock operation is performed using the lock sensor, recognition sig-

nals will be shown up to two consecutive times. After this, no recognition

signals will be given.

●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. 194)

●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.

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●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.

■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. 678)

■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. 635)

●Starting the hybrid system: P. 636

■Customization

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

(Customizable features: P. 678)

■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. 182, 635)

●Starting the hybrid system and changing power switch modes: P. 636

●Stopping the hybrid system: P. 242

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■Certification for the smart key system

 For vehicles sold in the U.S.A., Hawaii, American Samoa, Guam, Saipan

and Puerto Rico

3

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 For vehicles sold in Canada

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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. 192)

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.

3

Radio waves could have unexpected effects on the operation of such

medical devices.

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

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Opening, closing and locking the doors -> Smart key system for Your Toyota Prius 4 Door Fourth Generation (2016-2022)

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