How to Open Your 2013 Audi S4 Key Fob and Change Battery

How to Open Your 2013 Audi S4 Key Fob and Change Battery

If your auto remote key fob is not open doors well, the battery more likely must to be changed. In this article, we are going to tell you how to open your remote key fob and change a discharged battery DIY. If you choose to do it at home near S4, use this guide, but first make sure you have everything you need before you start.

What type battery does 2013 Audi S4 keyless entry remote take

Before going to open key fob be sure that you have all recommended tools and materials: 1 CR2032 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2032 battery

Step by step instruction

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

Accurately try to disassemble your key fob with pry tools. Remove one CR2032 battery with flat head screwdriver.

Get new battery and install it in fob’s case. Be sure to connect the battery the right way around in a circuit. Your key fob will not work if you place battery wrong way.

After the new battery installed, check keyless entry remote by pressing buttons. If everything is functioning, assemble your keyless entry fob's shell in reverse order.

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

Key Fob Battery Replacement 2013 Audi S4 Video

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


Remote key fob of Audi S4 use 1xCR2032 batteries. Price for CR2032 batteries are under $5 depending on the size packaging, type and brand you buy. You can take old battery to the store, to be sure.

Usually, after remote key fob battery change, reprogramming not required. Keyless entry remote reprogramming procedure often described in user's manual of your vehicle.

Yes, you can change battery in your 2013 Audi S4 remote key fob yourself. Most hard part is to open fob’s case. It's pretty simple with our guide.

The price to replace the battery inside keyless entry remote can run anywhere from $30 to as high as $500 depending on the make and the service pricing.

You should replace batteries inside key fob of Audi S4 at least once in 3-4 years. The lifetime of battery vary on usage time, operating conditions and quality. Lithium cells normally will last longer.

These signs will alert you that it's possible time to change battery in your Audi S4: multiple clicks to unlock or lock doors required, signal strength reduced, you didn't change battery more than 4 years and key fob buttons not working.
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Fob Compatibility:

  2. Models: 2009-2015 Audi S4