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How do you open an Audi A4 key fob?

This may sound stupid, but I’m sitting here at my kitchen table staring at my key fob. It needs a new battery, but I can’t figure out how to open it up! How do you open an Audi A4 key fob?

avatar
Rachel Rigolino · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Never feel stupid about a car mainteance issue—even if it’s a relatively simple task such as how to open a
Audi A4
key fob! This guide below will get you on your way.
Steps
How to open a Audi A4 key fob (2017-2021)
Step 1
On the bottom of the fob, squeeze the two black buttons on either side of the chrome key ring and pull to release the emergency key.
Step 2
Press on the two black buttons again and hold them.
Step 3
Take the tip of the key you just removed—or a tiny flathead screwdriver—and use the tip to gently push the battery tray out. Do this while pressing on the two black buttons to release the tray.
Step 4
Remove the old battery.
Step 5
Replace with new battery, + side down; battery # CR2032.
Step 6
Slide the battery tray back in, with the writing side facing up. Listen for a click.
Step 7
Replace the emergency key.
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