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Toyota Sienna 2010-2021 Owners Manual: Wireless remote control/ electronic key battery

Toyota Sienna 2010-2021 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:

Replacing the battery

Toyota Sienna. Replacing the battery


  1. Remove the cover using a coin protected with tape etc.

Toyota Sienna. Replacing the battery


  1. Remove the depleted battery.

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

Toyota Sienna. Replacing the batter


  1. Take out the mechanical key.

Toyota Sienna. Replacing the batter


  1. Remove the cover.

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

Toyota Sienna. Replacing the batter


  1. Remove the depleted battery.

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

Use a CR2032 lithium battery

If the key battery is depleted

The following symptoms may occur.

WARNING

Removed battery and other parts

These parts are small and if swallowed by a child, they can cause choking.

Keep away from children. 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 components inside the remote control.
  • Do not bend either of the battery terminals.
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