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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.
Air conditioning filter
The air conditioning filter must be changed regularly to maintain air conditioning efficiency Removal method Turn the engine switch to the “LOCK” position (vehicles without a smart key ...

Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown. If this happens, check and replace the fuses as necessary. Turn the engine switch to the “LOCK” position (vehicles w ...

Other materials:

Sliding door child-protector locks
The sliding door cannot be opened by the inside door handle and the second seat sliding door switch when the lock is set. Unlock Lock These locks can be set to prevent children from opening the sliding doors. Push down on each sliding door switch to lock that sliding door. The p ...

Inspection
1. INSPECT THERMOSTAT (a) Inspect the thermostat. HINT: The valve opening temperature is inscribed on the thermostat. (b) Immerse the thermostat in water and gradually heat the water. (c) Check the valve opening temperature. Valve opening temperature: 80 to 84°C (176 to 183°F) ...

Turn signal lever
Operating instructions Right turn Left turn Lane change to the right (move the lever partway and release it) The right hand signals will flash 3 times. Lane change to the left (move the lever partway and release it) The left hand signals will flash 3 times. Turn sign ...

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