Mazda 3 CX30 CX5 2020 Smart Key HOW TO Change key battery

Hello, this video shows you how to change the key battery on this Mazda 3 2020 key, The key is a smart key or also called a proximity key and is for a car with a push button start.

You'll need a good quality CR2032 key battery, click here to buy from Amazon https://amzn.to/2LF0HOB

This is a very easy job and if you follow the video you'll have no problems.
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