2001 Audi A4 Key Fob Battery Replacement Instructions

2001 Audi A4 Key Fob Battery Replacement Instructions

Remote key fob allow access to your Audi. When the key battery is dead or weak you’ll lose your keyless entry fob's ability to control distance functions. It's not complicated to change the battery in your keyless entry remote, and it’s easier than you think. Everything you need is described in this post.

What is the battery key fob use

Changing batteries in key fob require flat head screwdriver and 2xCR1620 batteries. Prepare these materials and tools before opening and make sure to match the type of your fob’s batteries.
  • flat head screwdriver
  • 2xCR1620 batteries

Step by step guide

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

Delicately try to disassemble your keyless entry remote with hands or flat head screwdriver. Remove 2xCR1620 batteries with flat head screwdriver.

Now it's time to install new batteries inside keyless entry fob's shell. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

Before assembling fob’s case, check that all functions works by pressing buttons on circuit board.

At this point squeeze fob’s back cover together. Line your case two halves together and assemble it in place by hands from top to bottom. Check your key body for gaps. If it is not tightly closed try to repeat last step.

Key Fob Battery Replacement 2001 Audi A4 Video

[HOW TO] Audi Shell Replacement Tutorial 1998-2005 - Complete

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Audi A4 use 2xCR1620 batteries. Price for CR1620 batteries are under $4 depending on the brand, type and size packaging you buy. Take your old battery to the store, with you to find a proper replacement.

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 replace battery in your 2001 Audi A4 key fob yourself. Most hard part is to open fob’s case. It's pretty easy with our step by step guide.

Auto repair shop's cost for replace the battery in keyless entry remote is from 50 to 600 dollars depending on the brand.

You should change batteries inside remote key fob of Audi A4 at least every four years. lifespan of battery vary on usage time, quality and operating conditions. Famous brands cells usually will last longer.

If your A4 fob's battery more than 4 years old, need multiple clicks to unlock or lock doors, has low key battery indicator on dashboard or key fob buttons not working, in most cases battery replace inside keyless entry remote needed. Current battery is discharged with a high probability, but if it's not fix problem, key fob change or repair required.
Be the first to comment.
Your message is required.

Fob Compatibility:

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