How to Open Your 2005 Audi A6 Key Fob and Change Battery

How to Open Your 2005 Audi A6 Key Fob and Change Battery

If your auto remote key fob is no longer working well, the battery more likely must to be changed. In this post, you will benefit from knowing how to open Audi keyless entry remote and replace a weak or dead battery DIY. If you choose to do it at home near A6, use this instruction, but first make sure you have everything you need before you start.

What is the battery key fob require

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

Simple steps to replace the battery in your A6's key fob

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

Gently try to pry apart your key with hands or flat head screwdriver. Change 1 CR2032 battery with flat head screwdriver.

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

When the new battery installed, check remote key fob functionality by pressing buttons. If all functions works, assemble your keyless entry fob's body in reverse order.

At this point squeeze fob’s back cover together. Line your body pieces together and put it in place by hands from top to bottom. If your key fob shell firmly closed, we done. If not, repeat the last step.

Video of keyless entry remote opening

How to replace the battery in your Audi A6 key fob.

Still not working? Buy new one


Remote key fob of Audi A6 use 1xCR2032 batteries. Price for CR2032 batteries are under $4 build upon the size packaging, brand and type you buy. You can take old battery to the store, to find a proper replacement.

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

Yes, you can replace battery in your 2005 Audi A6 key yourself. Most hard part is to open fob’s case. It's pretty easy with our instruction.

Dealer service pricing for change the battery in key fob is $50-600 depending on the make.

Keyless entry remote batteries in Audi A6 should be replaced every 3-4 years, also this will vary based on usage and quality. If your key fob reduced signal strength, you should replace batteries before it stop working and make trouble for you.

These symptoms will alert you that it's perhaps time to replace battery in your Audi A6: low key battery indicator on dashboard, you didn't change battery more than 4 years, multiple clicks to unlock or lock doors required and signal strength reduced.
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Fob Compatibility:

  1. FCC ID: IYZ3314
  2. Models: 2005-2011 Audi A6