Replace Key Fob Batteries

How to Replace the Battery in a 2011 Audi A8 Key Fob

How to Replace the Battery in a 2011 Audi A8 Key Fob

If your A8 key is no longer open doors correct, the battery likely must to be replaced. In this case, you’ll benefit from knowing how to open your keyless entry remote and change a dead battery yourself. If you gonna solve to do it at home near A8, use this instruction, but don't forget to check everything you need before you start.

What kind of battery remote key fob require

Don't forget before disassembly keyless entry remote check all that you need: flat head screwdriver and 1 CR2032 battery.
  • flat head screwdriver
  • 1xCR2032 battery

Simple steps to replace the battery in your A8's keyless entry remote

Inside of your keyless entry remote installed tiny button battery. Open key before you try to pry apart the remote key fob.

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

Change old battery with new one CR2032. Battery must be installed with the same position as was an old. Your key fob will not work if you by mistake place battery wrong way.

After the new battery installed, check remote key fob functionality 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 assemble it together by hands from top to bottom. Check your fob body for gaps. If it is not firmly closed try to repeat last step.

How to replace the battery video guide

Audi Key fob remote Battery replacement A4 A5 A6 A7 A8 Q5 Q7

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Audi A8 use 1xCR2032 batteries. Price for CR2032 batteries are under $5 build upon the size packaging, type and brand you buy. You can take old battery to the store, to find a proper replacement.

Usually, after remote key fob battery replace, you do not need to reprogram. Keyless entry remote reprogramming procedure often described in user's manual of your vehicle.

Yes, you can replace battery in your 2011 Audi A8 key fob yourself. Most difficult part is to open keyless entry fob's case. It's pretty easy with our instruction.

Car service pricing for change the battery in fob is $50-600 depending on the brand.

Remote key fob batteries in modern cars should be replaced every three or four years, although this will vary based on usage and quality. If your key fob reduced signal strength, you should change batteries before it stop working and make trouble for you.

If your Audi need multiple clicks to unlock or lock doors, fob's battery more than 4 years old, signal strength reduced or has low key battery indicator on dashboard, it's probably battery change inside keyless entry remote needed. Installed battery is dead with a high probability, but if it's not help, key change or repair needed.
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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: 2009-2016 Audi A8