How to Open Your 1994 Audi A4 Key Fob and Change Battery

How to Open Your 1994 Audi A4 Key Fob and Change Battery

Keyless entry remote allow access to your Audi. When the remote key fob battery is dead or weak you will not to be able unlock doors remotely. In this post, we outlined how to open your keyless entry remote and change your Audi key battery step by step.

What type battery key fob require

Before going to open key fob check all that you need: flat head screwdriver and 2 CR2025 batteries.
  • flat head screwdriver
  • 2xCR2025 batteries

Simple steps to replace the battery in your A4's key fob

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

Carefully try to pry apart your key fob with pry tools. Change 2 CR2025 batteries with flat head screwdriver.

Change old batteries with fresh one CR2025. Be sure to connect the battery the right way around in a circuit. Your keyless entry remote will not work if you put battery wrong way.

When the new batteries installed, verify key fob functionality by pressing buttons. If everything working fine, assemble your fob’s shell in reverse order.

The last thing to do is put your cover back on fob. Gently try to put the pieces together by hands from top to bottom. If your key case firmly closed, we done. If not, repeat the last step.

Key Fob Battery Replacement 1994 Audi A4 Video

How To Replace Audi A4 Key Fob Battery 1994 1995 1996 1997 1998

Still not working? Buy new one


Remote key fob of Audi A4 use 2xCR2025 batteries. Most CR2025 batteries are under $4-6 depending on the size packaging, type and brand you buy. You can take old battery to the store, to be sure.

Often, after keyless entry remote battery change, you do not need to reprogram. Key fob reprogramming procedure often described in user's manual of your vehicle.

Replacing your keyless entry remote battery is simple to do in 1994 Audi A4. Most of car manufacturers think of the customers and make a special hole for remote key fob open.

Auto repair shop's cost for change the battery in remote key fob is $50-600 depending on the make.

Key fob batteries in modern cars should be changed every 4 years, but this will vary based on their amount of use and build quality. If your keyless entry remote decreased signal strength, you should replace batteries before it stop open doors and make trouble for you.

These signs will alert you that it's possible time to replace battery in your 1994 Audi A4: low key battery indicator on dashboard, multiple clicks to unlock or lock doors required, you didn't change battery more than 4 years and signal strength reduced.
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Other Audi Models:

Fob Compatibility:

  1. FCC ID: MZ2 410 819 4
  2. Models: 1994-1998 Audi A4