How to Replace the Battery in a 2013 Audi A8 Key Fob

How to Replace the Battery in a 2013 Audi A8 Key Fob

If your A8 key is no longer open doors well, the battery probably needs to be changed. It's not difficult to replace the battery in your remote key fob with our ultimate guide. All tools, that you need is outlined in this article.

What kind of battery keyless entry remote require

Don't forget before open remote key fob check all that you need: flat head screwdriver and one CR2032 battery.
  • 1xCR2032 battery
  • flat head screwdriver

Simple steps to replace the battery in your A8's key fob

A small coin cell battery installed in the your keyless entry remote. Open the key if it is in the remote key fob.

Delicately try to open your keyless entry remote with hands or flat head screwdriver. Change CR2032 battery with flat head screwdriver.

Change old battery with fresh one CR2032. Be sure to connect the battery the right way around in a circuit. Your remote key fob will not work if you put battery wrong way.

When the new battery installed, check remote key fob by pressing buttons. If everything working fine, assemble your fob’s body in reverse order.

At this point squeeze fob’s back cover together. Line your body two halves together and assemble it in place by hands from top to bottom. If your key case tightly closed, we done. If not, repeat the last step.

Video of key disassembly

Audi Key fob remote Battery replacement A4 A5 A6 A7 A8 Q5 Q7

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Audi A8 use 1xCR2032 batteries. Price for CR2032 batteries are under $4 depending on the size packaging, brand and type you buy. Take your old battery to the store, to be sure.

Usually, after key fob battery change, you do not need to reprogram. Remote key fob reprogramming procedure often described in user's manual of your vehicle.

Replacing your key fob battery is easy to do in 2013 Audi A8. Most of car manufacturers think about clients and make a special hole for key fob open.

Auto repair shop's pricing for replace the battery in fob is from $30 to as high as $500 depending on the car.

You should change batteries inside keyless entry remote of Audi A8 at least once in three or four years. lifespan of battery differ on usage time, operating conditions and quality.

If your Audi has low key battery indicator on dashboard, signal strength reduced, fob's battery more than 4 years old or key fob buttons not working, in most cases battery replace in remote key fob needed. Current battery is dead with a high probability, but if it's not help to fix issues, key fob change or repair needed.
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Fob Compatibility:

  2. Models: 2013-2016 Audi A8