2008 Audi A4 Key Fob Battery Replacement Guide

2008 Audi A4 Key Fob Battery Replacement Guide

Keyless entry remote grant easy access to your A4. Once the remote key fob battery is weak or dead you lose your fob’s ability to use distance opening function. In this post, we walks you through how to disassembly your car keyless entry remote and replace your Audi key battery step by step.

What kind of battery keyless entry remote require

Before beginning disassembly key fob check all that you need: one CR2032 battery and flat head screwdriver.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step guide

A button cell battery installed in the your key fob. Open the key if it is in the remote key fob.

Gently try to open your remote key fob with pry tools. Replace CR2032 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 keyless entry remote will not work if you place battery wrong way.

When the new battery installed, verify keyless entry remote by pressing buttons. If everything is functioning, assemble your fob’s case in reverse order.

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

Key Fob Battery Replacement 2008 Audi A4 Video

How To Replace The Battery In Your Audi Key Fob

Still not working? Buy new one

FAQ

Remote key fob of Audi A4 require 1xCR2032 batteries. Price for CR2032 batteries are under $4 depending on the size packaging, type and brand you buy. You can take old battery to the store, to be sure.

Often, after remote key fob battery replace, you do not need to reprogram. Don't be scare of this procedure, because often it's described in user's manual.

Replacing your remote key fob battery is simple to do in 2008 Audi A4. Most of car manufacturers think about clients and make a special hole for key fob disassembly.

The cost to change the battery in key fob is in range $50-600 depending on the brand and the service pricing.

Key fob batteries in modern cars should be replaced every 4 years, also this will vary based on usage and battery quality. If your keyless entry remote shortened signal strength, you should replace batteries before it stop open doors and make trouble for you.

These signs will warning you that it's probably time to replace battery in your 2008 Audi A4: multiple clicks to unlock or lock doors required, signal strength reduced, low key battery indicator on dashboard and you didn't change battery more than 4 years.
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Fob Compatibility:

  1. FCC ID: NBG 009272 T
  2. Models: 2008-2010 Audi A4