How to Replace the Key Battery for Toyota?

1 Answers
McChristopher
07/25/25 2:55pm
Below are the steps to disassemble the key and replace the battery: For vehicles without Smart Entry and Start System: 1. Remove the cover. Wrap a cloth around the screwdriver head to prevent damage to the key. 2. Remove the battery cover. 3. Remove the depleted battery. Insert the new battery with the "+" side facing up. For vehicles with Smart Entry and Start System: 1. Take out the mechanical key. 2. Remove the cover. Wrap a cloth around the screwdriver head to prevent damage to the key. 3. Remove the depleted battery. Insert the new battery with the "+" side facing up. Below are the steps to disassemble the key and replace the battery: For vehicles without Smart Entry and Start System: 1. Remove the cover. Wrap a cloth around the screwdriver head to prevent damage to the key. 2. Remove the battery cover. 3. Remove the depleted battery. Insert the new battery with the "+" side facing up. For vehicles with Smart Entry and Start System: 1. Take out the mechanical key. 2. Remove the cover. Wrap a cloth around the screwdriver head to prevent damage to the key. 3. Remove the depleted battery. Insert the new battery with the "+" side facing up.
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