How to Replace the Battery in a 2007 Audi A3 Quattro Key Fob

How to Replace the Battery in a 2007 Audi A3 Quattro Key Fob

Key fob grant access to your car. When the key fob battery is discharged you not to be able close car remotely. In this post, we explained how to disassembly your car key fob and change your Audi key battery.

What size battery does 2007 Audi A3 Quattro key fob required

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

Step by step guide

A small coin cell battery installed inside the your key fob. Open key before you try to pry apart the remote key fob.

Gently try to open your key with hands or flat head screwdriver. Change 1xCR2032 battery with flat head screwdriver.

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

Before assembling fob’s case, check that everything is functioning by pressing buttons on circuit board.

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

Key Fob Battery Replacement 2007 Audi A3 Quattro Video


Still not working? Buy new one


Keyless entry remote of Audi A3 Quattro use 1xCR2032 batteries. Most CR2032 batteries are under $4-6 depending on the brand, type and size packaging you buy. Take your old battery to the store, to find a proper replacement.

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

Changing your remote key fob battery is easy to do in 2007 Audi A3 Quattro. Most of car manufacturers think of the customers and make a special hole for remote key fob disassembly.

The cost to change the battery inside key is in range from $30 to as high as $500 depending on the car and the service pricing.

You should change batteries inside remote key fob of Audi A3 Quattro at least once in 3-4 years. The term of battery vary on frequency of use, quality and operating conditions.

These symptoms will alert you that it's possible time to replace battery in your 2007 Audi A3 Quattro: you didn't change battery more than 4 years, multiple clicks to unlock or lock doors required, signal strength reduced and low key battery indicator on dashboard.
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Fob Compatibility:

  1. FCC ID: IYZ3314
  2. Models: 2007-2010 Audi A3 Quattro