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?

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Answer provided by
Rachel Rigolino
Answered on Jun 30, 2022
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.
StepsHow to open a Audi A4 key fob (2017-2021)
Step 1On 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 2Press on the two black buttons again and hold them.
Step 3Take 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 4Remove the old battery.
Step 5Replace with new battery, + side down; battery # CR2032.
Step 6Slide the battery tray back in, with the writing side facing up. Listen for a click.
Step 7Replace the emergency key.
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