How to Replace the Battery in a 2006 Audi A3 Key Fob

Key fob allow easy access to your A3. If the remote key fob battery is discharged you will not to be able open doors from distance. In this article, we are going to tell you how to disassembly your car keyless entry remote and replace a discharged battery DIY. If you decide to do it at home near A3, follow our guide, but don't forget to check everything you need.
What is the battery keyless entry remote require
Replacing battery in keyless entry remote require 1 CR2032 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.- flat head screwdriver
- 1xCR2032 battery
Step by step instruction
Inside of your keyless entry remote installed coin battery. Open the key if it is in the key fob.
Gently try to disassemble your key with hands or flat head screwdriver. Replace 1xCR2032 battery with flat head screwdriver.
Change old battery with fresh one CR2032. Battery must be installed with the same position as was a previous. Your key will not work if you mistakenly put battery wrong way.
When the new battery installed, check key fob by pressing buttons. If all functions works, assemble your keyless entry fob's case in reverse order.
At this point squeeze keyless entry fob's back cover together. Line your case pieces together and assemble it together by hands from top to bottom. If your key fob shell firmly closed, we done. If not, repeat the last step.
How to replace the battery video guide
Audi A3 key fob BATTERY REPLACEMENT
Still not working? Buy new one