Replace Key Fob Batteries

How to Open Your 2014 Audi S4 Key Fob & Change Battery

How to Open Your 2014 Audi S4 Key Fob & Change Battery

If your Audi keyless entry remote is no longer unlock doors well, the cell battery surely needs to be replaced. In this case, you’ll benefit from knowing how to disassembly Audi remote key fob and change a dead battery DIY. If you gonna solve to do it at home near S4, use this guide, but don't forget to check everything you need before you start.

What size battery does 2014 Audi S4 key fob required

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

Simple steps to replace the battery in your S4's key fob

Inside of your remote key fob installed small coin battery. Open key first, and then try to pry apart the key fob.

Gently try to pry apart your key fob with flat head screwdriver. Replace one CR2032 battery with flat head screwdriver.

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

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

The last thing to do is put your cover back on fob. Carefully try to assemble the two halves together by hands from top to bottom. Check your remote key fob shell for gaps. If it is not firmly closed try to repeat last step.

Video of keyless entry remote disassembly

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

Keyless entry remote of Audi S4 require 1xCR2032 batteries. Most 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.

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

Replacing your remote key fob battery is simple to do in 2014 Audi S4. Most of car manufacturers think of the clients and make a special hole for key fob open.

The price to replace the battery inside key fob can run anywhere $50-600 depending on the car and the service station.

You should change batteries inside key fob of Audi S4 at least every four years. lifespan of battery differ on their amount of use, quality and operating conditions.

These symptoms will warn you that it's perhaps time to change battery in your 2014 Audi S4: low key battery indicator on dashboard, signal strength reduced, you didn't change battery more than 4 years and multiple clicks to unlock or lock doors required.
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Contents:

  1. Battery Size and Tools
  2. Replacement Guide
  3. Video Instruction
  4. FAQ

Other Audi Models:

Fob Compatibility:

  1. FCC ID: IYZFBSB802
  2. Models: 2009-2015 Audi S4