Toyota 4Runner manuals

Toyota 4Runner: Wireless remote control/electronic key battery

Toyota 4Runner Owners Manual / Maintenance and care / Do-it-yourself maintenance / Wireless remote control/electronic key battery

Replace the battery with a new one if it is depleted.

You will need the following items:

• Flathead screwdriver • Lithium battery CR2016 (vehicles without a smart key system), or CR1632 (vehicles with a smart key system)

Replacing the battery (vehicles without a smart key system)


Remove the cover.

To prevent damage to the key, cover the tip of the screwdriver with a rag.


Remove the module.


Open the case cover using a coin protected with tape etc. and remove the depleted battery.

Insert a new battery with the “+” terminal facing up.

Replacing the battery (vehicles with a smart key system)


Take out the mechanical key.


Remove the cover.

To prevent damage to the key, cover the tip of the screwdriver with a rag.


Remove the depleted battery.

Insert a new battery with the “+” terminal facing up.

Use a CR2016 (vehicles without a smart key system) or CR1632 (vehicles with a smart key system) lithium battery

• Batteries can be purchased at your Toyota dealer, local electrical appliance shops or camera stores.

• Replace only with the same or equivalent type recommended by the manufacturer.


• Dispose of used batteries according to local laws.

If the key battery is depleted

The following symptoms may occur:

• The smart key system and wireless remote control will not function properly.


• The operational range will be reduced.

CAUTION

Removed battery and other parts

Keep away from children. These parts are small and if swallowed by a child, they can cause choking. Failure to do so could result in death or serious injury.

NOTICE

For normal operation after replacing the battery

Observe the following precautions to prevent accidents:

• Always work with dry hands.

Moisture may cause the battery to rust.

• Do not touch or move any other component inside the remote control.

• Do not bend either of the battery terminals.

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