Get When trouble arises -> If the electronic key does not operate Guide for Toyota bZ4X SUV Second Generation (2025-2026)

539

8-2. Steps to take in an emergency

If you lose your keys

If the electronic key

does not operate prop-

erly

New genuine keys can be

made by your Toyota dealer

using the other key and the

key number stamped on

your key number plate.

Keep the plate in a safe

place such as your wallet,

not in the vehicle.

If communication between

the electronic key and vehi-

cle is interrupted (P.188)

or the electronic key cannot

be used because the battery

is depleted, the smart key

system and wireless remote

control cannot be used. In

such cases, the doors can

be opened and the EV sys-

tem can be started by fol-

lowing the procedure below.

NOTICE

■When an electronic key is lost

If the electronic key remains lost,

the risk of vehicle theft increases

significantly. Visit your Toyota

dealer immediately with all

remaining electronic keys that

were provided with your vehicle.

■When the electronic key does

not work properly

●Make sure that the smart key sys-

tem has not been deactivated in

the customization setting. If it is

off, turn the function on.

(Customizable features: P.569)

●Check if battery-saving mode is

set. If it is set, cancel the function.

(P.188)

8

NOTICE

■In case of a smart key system

malfunction, or other key

related problems

Take your vehicle with all the elec-

tronic keys provided with your

vehicle to your Toyota dealer.

Locking and unlocking

the doors

Use the mechanical key

(P.164) in order to perform the

following operations.

Owners Manual_USA_M42C01_en

540

8-2. Steps to take in an emergency

WARNING

■When using the mechanical

key and operating the power

windows

Operate the power window after

checking to make sure that there

is no possibility of any passenger

having any of their body parts

caught in the window. Also, do not

allow children to operate the

mechanical key. It is possible for

children and other passengers to

get caught in the power window.

1 Locks all the doors

2 Unlocks the door

Turning the key rearward unlocks

the driver’s door. Turning the key

once again within 5 seconds

unlocks the other doors.

Starting the EV system

1 Depress the brake pedal.

2 Touch the electronic key to

■Key linked functions

the power switch.

When the electronic key is

detected, a buzzer sounds and the

power switch will turn to ON.

When the smart key system is

deactivated in customization set-

ting, the power switch will turn to

ACC.

1 Closes the windows (turn and

*

hold)

2 Opens the windows (turn and

*

hold)

*

: These settings must be custom-

ized at your Toyota dealer.

3 Firmly depress the brake

pedal and check that

is

displayed on the multi-infor-

mation display.

4 Press the power switch

shortly and firmly.

In the event that the EV system still

Owners Manual_USA_M42C01_en

541

8-2. Steps to take in an emergency

cannot be started, contact your Toy-

If the 12-volt battery is

discharged

ota dealer.

■Stopping the EV system

Shift the shift position to P, set the

parking brake and press the power

switch as you normally do when

stopping the EV system.

The following procedures

may be used to start the EV

system if the vehicle’s 12-

volt battery is discharged.

You can also call your Toy-

ota dealer or a qualified

repair shop.

■Replacing the key battery

As the above procedure is a tempo-

rary measure, it is recommended

that the electronic key battery be

replaced immediately when the bat-

tery is depleted. (P.497)

Restarting the EV system

■Alarm

If a door is unlocked using the

mechanical key when the alarm sys-

tem is set, the alarm may be trig-

gered. (P.69)

If you have a set of jumper (or

booster) cables and a second

vehicle with a 12-volt battery,

you can jump start your vehicle

by following the steps below.

■Changing power switch modes

Release the brake pedal and press

the power switch in step 3 above.

The EV system does not start and

modes will be changed each time

the switch is pressed. (P.234)

1 Confirm that the electronic

key is being carried.

When connecting the jumper (or

booster) cables, depending on the

situation, the alarm may activate

and the doors locked. (P.70)

8

2 Open the hood (P.462).

3 Open the positive (+) battery

terminal cover.

While pressing on the claw, open

the cover as shown in the illustra-

Owners Manual_USA_M42C01_en

When trouble arises -> If the electronic key does not operate for Your Toyota bZ4X SUV Second Generation (2025-2026)

Related Topics

Popular Owner Manuals

Latest Owner Manuals