How to Replace the Battery in a 2012 Audi A7 Key Fob

How to Replace the Battery in a 2012 Audi A7 Key Fob

If your car key isn't open doors well, the cell battery surely must to be changed. Yes, it is possible to change the battery in your key fob with our instruction. All tools, that you need is outlined in this post.

What type battery keyless entry remote require

Before going to open keyless entry remote be sure that you have all required tools and materials: flat head screwdriver and one CR2032 battery.
  • 1xCR2032 battery
  • flat head screwdriver

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

A tiny button battery installed in the your keyless entry remote. Open the key if it is in the remote key fob.

Gently try to open your fob with flat head screwdriver. Change 1 CR2032 battery with flat head screwdriver.

Get new battery and install it inside fob’s body. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

After the new battery installed, check keyless entry remote functionality by pressing buttons. If everything is functioning, assemble your keyless entry fob's shell in reverse order.

At this point squeeze keyless entry fob's back cover together. Line your case pieces together and put it in place by hands from top to bottom. Inspect your key body for gaps. If it is not tightly closed try to repeat last step.

How to change the battery video instruction

Audi A7 key fob battery replacement

Still not working? Buy new one


Remote key fob of Audi A7 use 1xCR2032 batteries. Most CR2032 batteries are under $6 depending on the brand, size packaging and type you buy. Take your old battery to the store, to be sure.

Usually, after key battery change, reprogramming not required. Remote key fob reprogramming procedure often described in user's manual of your vehicle.

Replacing your key fob battery is easy to do in 2012 Audi A7. Most of car manufacturers think about customers and make a special hole for remote key fob open.

The price to change the battery in key is in range $50-600 depending on the make and the service station.

Key fob batteries in modern cars should be changed once in three years, although this will vary based on their amount of use and battery quality. If your keyless entry remote decreased signal strength, you should replace batteries before it stop open doors and make problems for you.

If your A7 signal strength reduced, has low key battery indicator on dashboard, need multiple clicks to unlock or lock doors or key fob buttons not working, it's probably battery replace inside remote key fob needed. Current battery is dead with a high probability, but if it's not help, remote key fob replace or repair needed.
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Fob Compatibility:

  2. Models: 2009-2016 Audi A7