How to Replace the Battery in a 2012 Audi S5 Key Fob

How to Replace the Battery in a 2012 Audi S5 Key Fob

If your S5 key fob is no longer unlock doors well, the battery probably needs to be changed. In this post, we explained how to open your key fob and replace your Audi key battery.

What is the battery key fob use

Before starting open remote key fob make sure that you have all required tools and materials: flat head screwdriver and 1 CR2032 battery.
  • flat head screwdriver
  • 1xCR2032 battery

Simple steps to change the battery in your S5's remote key fob

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

Gently try to pry apart your keyless entry remote with hands or flat head screwdriver. Remove 1 CR2032 battery with flat head screwdriver.

Now it's time to install new battery in keyless entry fob's shell. Be sure to connect the battery the right way around in a circuit. Your remote key fob will not work if you put battery wrong way.

When the new battery installed, verify key fob by pressing buttons. If everything working properly, assemble your keyless entry fob's body 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. Check your key fob body for gaps. If it is not firmly closed try to repeat last step.

Video of key opening

How to change SmartKey Key fob Battery on Audi A5 A3 A4 S4 S5 S6 Q5 Keyless entry IYZFBSB802

Still not working? Buy new one

FAQ

Remote key fob of Audi S5 require 1xCR2032 batteries. Price for CR2032 batteries are under $6 build upon the brand, type and size packaging you buy. Take your old battery to the store, to be sure.

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

Changing your keyless entry remote battery is simple to do in 2012 Audi S5. Most of car manufacturers think of the customers and make a special hole for remote key fob disassembly.

The price to replace the battery in remote key fob is in range $50-600 depending on the make and the service station.

Keyless entry remote batteries in modern cars should be replaced once in three years, although this will vary based on usage and battery quality. If your remote key fob reduced signal strength, you should replace batteries before it stop working and make problems for you.

These symptoms will warning you that it's perhaps time to change battery in your 2012 Audi S5: 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: IYZFBSB802
  2. Models: 2008-2014 Audi S5