CMS-Japanese Motorcycle Supply Parts


Replacing the remote key battery - Toyota Corolla 2009-2013


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For this you will need:

The key in question looks like this:

Here's how we changed the battery in our Toyota Corolla's key fob so it would remote lock and unlock the car again. Check it out!

The black part of the key is two plastic halves clipped together. There's a little indent on the end:

Here's how we changed the battery in our Toyota Corolla's key fob so it would remote lock and unlock the car again. Check it out!

Use something hard to pry the two halves apart in that indent (we are using a Victorinox 53201):

Here's how we changed the battery in our Toyota Corolla's key fob so it would remote lock and unlock the car again. Check it out!

Inside you should find this:

Here's how we changed the battery in our Toyota Corolla's key fob so it would remote lock and unlock the car again. Check it out!

The clear plastic piece on the right pulls out:

Here's how we changed the battery in our Toyota Corolla's key fob so it would remote lock and unlock the car again. Check it out!

Reverse side:

Here's how we changed the battery in our Toyota Corolla's key fob so it would remote lock and unlock the car again. Check it out!

The black plastic clips over the clear:

Here's how we changed the battery in our Toyota Corolla's key fob so it would remote lock and unlock the car again. Check it out!

Pry those (gently!) apart and the clear will lift out of the black piece:

Here's how we changed the battery in our Toyota Corolla's key fob so it would remote lock and unlock the car again. Check it out!

Inside you will find what is commonly called a watch battery - this one takes a CR2016 sized 3v coin battery (eBay US, eBay AU, Amazon).

Here's how we changed the battery in our Toyota Corolla's key fob so it would remote lock and unlock the car again. Check it out!

The battery should remove easily:

Here's how we changed the battery in our Toyota Corolla's key fob so it would remote lock and unlock the car again. Check it out!

Install the new battery:

Here's how we changed the battery in our Toyota Corolla's key fob so it would remote lock and unlock the car again. Check it out!

Clip the clear plastic back into the black:

Here's how we changed the battery in our Toyota Corolla's key fob so it would remote lock and unlock the car again. Check it out!

Install it back into the key:

Here's how we changed the battery in our Toyota Corolla's key fob so it would remote lock and unlock the car again. Check it out!

Clip the two halves back together:

Here's how we changed the battery in our Toyota Corolla's key fob so it would remote lock and unlock the car again. Check it out!

...and now test the key - you should be done!



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