2012 Audi S7 Key Fob Battery Replacement Instructions

2012 Audi S7 Key Fob Battery Replacement Instructions

If your S7 key fob is no longer open doors well, the battery likely must to be changed. In this post, we walks you through how to disassembly your keyless entry remote and replace your Audi key battery step by step.

What type battery key fob require

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

Simple steps to change the battery in your S7's key fob

A coin battery installed inside the your key fob. Open key first, and then try to pry apart the keyless entry remote.

Gently try to disassemble your key fob with flat head screwdriver. Change CR2032 battery with flat head screwdriver.

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

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

At this point squeeze fob’s back cover together. Line your shell two halves together and put it in place by hands from top to bottom. If your fob body firmly closed, we done. If not, repeat the last step.

Video of key fob disassembly

Audi A7 key fob battery replacement

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Audi S7 require 1xCR2032 batteries. Most CR2032 batteries are under $4 depending on the brand, type and size packaging you buy. You can take old battery to the store, to find a proper replacement.

Remote key fob in most of cases do not need to be reprogrammed after battery change. If your remote key fob not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Yes, you can replace battery in your 2012 Audi S7 keyless entry remote yourself. Most difficult part is to open fob’s case. It's pretty simple with our guide.

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

Keyless entry remote batteries in Audi S7 should be changed once in three or four years, although this will vary based on usage and quality. If your remote key fob reduced signal strength, you should replace batteries before it stop working and make trouble for you.

These symptoms will alert you that it's probably time to change battery in your Audi S7: signal strength reduced, multiple clicks to unlock or lock doors required, key fob buttons not working and you didn't change battery more than 4 years.
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Fob Compatibility:

  1. FCC ID: IYZFBSB802
  2. Models: 2009-2017 Audi S7