How to Replace the Battery in a 2007 Audi A4 Key Fob

How to Replace the Battery in a 2007 Audi A4 Key Fob

If your auto key fob is no longer working correct, the cell battery likely needs to be replaced. Below, we outlined how to disassembly your keyless entry remote and replace your Audi key battery step by step.

What type battery remote key fob use

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

Step by step guide

Inside of your key fob installed tiny button battery. Open the key if it is in the key fob.

Accurately try to open your keyless entry remote with pry tools. Change CR2032 battery with flat head screwdriver.

Get new battery and install it inside fob’s shell. Battery must be placed with the same position as was an old. Your key will not work if you by mistake place battery wrong way.

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

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

Key Fob Battery Replacement 2007 Audi A4 Video

How To Replace The Battery In Your Audi Key Fob

Still not working? Buy new one

FAQ

Key fob of Audi A4 use 1xCR2032 batteries. Price for CR2032 batteries are under $4 build upon the type, size packaging and brand you buy. You can take old battery to the store, to be sure.

Remote key fob in most of cases reprogramming not required after battery change. If your key fob not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Yes, you can change battery in your 2007 Audi A4 key fob yourself. Most hard part is to open keyless entry fob's case. It's pretty easy with our step by step guide.

The price to replace the battery inside key can run anywhere $50-600 depending on the car and the service station.

Remote key fob batteries in Audi A4 should be changed every three years, but this will differ based on usage and build quality. If your keyless entry remote decreased signal strength, you should change batteries before it stop working and make trouble for you.

These symptoms will warn you that it's possible time to replace battery in your Audi A4: you didn't change battery more than 4 years, multiple clicks to unlock or lock doors required, key fob buttons not working and low key battery indicator on dashboard.
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Other Audi Models:

Fob Compatibility:

  1. FCC ID: IYZ3314
  2. Models: 2006-2010 Audi A4