How to Replace the Battery in a 1999 Audi A4 Key Fob

How to Replace the Battery in a 1999 Audi A4 Key Fob

Remote key fob grant easy access to your car. If the key battery is dead you’ll not to be able close doors remotely. In this case, we are going to tell you how to disassembly Audi keyless entry remote and change a dead battery DIY. If you choose to do it at home near A4, use this instruction, but first make sure you have everything you need before you start.

What kind of battery keyless entry remote use

Before beginning disassembly keyless entry remote check all that you need: flat head screwdriver and 2 CR1620 batteries.
  • 2xCR1620 batteries
  • flat head screwdriver

Simple steps to replace the battery in your A4's key fob

Inside of your keyless entry remote installed coin cell battery. Open key before you try to pry apart the key fob. Your key fob key can be extracted with slide.

Delicately try to pry apart your keyless entry remote with hands or flat head screwdriver. Change CR1620 batteries with flat head screwdriver.

Get new batteries and install it inside fob’s case. Battery must be placed with the same position as was a previous. Your key will not work if you mistakenly put battery wrong way.

Before assembling keyless entry fob's case, verify that everything is functioning by testing buttons on key fob.

At this point squeeze fob’s back cover together. Line your shell pieces together and put it together by hands from top to bottom. If your keyless entry remote shell tightly closed, we done. If not, repeat the last step.

Key Fob Battery Replacement 1999 Audi A4 Video

How to replace your Audi A4 key battery and resync/program it to your car

Still not working? Buy new one

FAQ

Key fob of Audi A4 require 2xCR1620 batteries. Most CR1620 batteries are under $6 depending on the brand, type and size packaging you buy. You can take old battery to the store, to find a proper replacement.

Keyless entry remote in most of cases reprogramming not required after battery replace. If your key fob not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Yes, you can replace battery in your 1999 Audi A4 remote key fob yourself. Most hard part is to disassembly keyless entry fob's case. It's pretty simple with our step by step guide.

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

Remote key fob batteries in Audi A4 should be changed every 4 years, also this will vary based on usage and quality. If your key fob reduced signal strength, you should replace batteries before it stop open doors and make problems for you.

If your Audi fob's battery more than 4 years old, key fob buttons not working, has low key battery indicator on dashboard or need multiple clicks to unlock or lock doors, it's probably battery change in keyless entry remote required. Installed battery is weak or dead with a high probability, but if it's not fix problem, remote key fob change or repair required.
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Other Audi Models:

Fob Compatibility:

  1. FCC ID: MYT8Z0 837 231 | MZ2 410 819 6
  2. Models: 1997-2005 Audi A4