How to Open Your 2004 Audi A8 Quattro Key Fob & Change Battery

How to Open Your 2004 Audi A8 Quattro Key Fob & Change Battery

Keyless entry remote allow access to your car. If the remote key fob battery is weak or dead you will lose your keyless entry fob's ability to control distance opportunities. It's not difficult to replace the battery in your keyless entry remote with our instruction. All you need is described in this post.

What is the battery remote key fob use

Don't forget before open keyless entry remote be sure that you have all required tools and materials: 2xCR1620 batteries and flat head screwdriver.
  • flat head screwdriver
  • 2xCR1620 batteries

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

Inside of your key fob installed small coin battery. Open the key if it is in the keyless entry remote. Your keyless entry remote key can be extracted with slide.

Accurately try to disassemble your key with pry tools. Change two CR1620 batteries with flat head screwdriver.

Change old batteries with fresh one CR1620. Be sure to connect the battery the right way around in a circuit. Your key will not work if you place battery wrong way.

After the new batteries installed, check keyless entry remote functionality by pressing buttons. If all functions works, assemble your fob’s shell in reverse order.

The last thing to do is put your cover back on fob. Accurately try to assemble the pieces together by hands from top to bottom. Inspect your keyless entry remote body for gaps. If it is not tightly closed try to repeat last step.

Video of remote key fob opening

How To Replace Audi A8 Key Fob Battery 2003 2004

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Audi A8 Quattro require 2xCR1620 batteries. Most CR1620 batteries are under $6 build upon the type, brand and size packaging you buy. Take your old battery to the store, to be sure.

Keyless entry remote in most of cases do not need to be reprogrammed after battery replace. If your keyless entry remote not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Yes, you can change battery in your 2004 Audi A8 Quattro key yourself. Most difficult part is to open keyless entry fob's case. It's pretty easy with our step by step guide.

The cost to replace the battery in keyless entry remote is in range $50-600 depending on the brand and the service pricing.

Keyless entry remote batteries in Audi A8 Quattro should be changed every four years, although this will differ based on usage and build quality. If your keyless entry remote shortened signal strength, you should replace batteries before it stop open doors and make problems for you.

If your car need multiple clicks to unlock or lock doors, key fob buttons not working, has low key battery indicator on dashboard or signal strength reduced, it's probably battery change in remote key fob needed. Current battery is discharged with a high probability, but if it's not fix problem, fob change or repair required.
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Fob Compatibility:

  1. FCC ID: MYT8Z0 837 231 | MZ2 410 819 6
  2. Models: 1997-2005 Audi A8 Quattro