How to Open Your 2013 Audi S6 Key Fob and Change Battery

If your car remote key fob is no longer working perfectly, the battery more likely must to be replaced. Yes, it is possible to replace the battery in your keyless entry remote by yourself. All tools, that you need is described in this post.
What is the battery keyless entry remote require
Replacing battery in key fob require CR2032 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the size of your fob’s batteries.- 1xCR2032 battery
- flat head screwdriver
Step by step guide
Inside of your key fob installed tiny coin battery. Open the key if it is in the remote key fob.
Carefully try to disassemble your fob with pry tools. Replace 1xCR2032 battery with flat head screwdriver.
Change old battery with new one CR2032. 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.
After the new battery installed, verify keyless entry remote by pressing buttons. If all functions works, assemble your keyless entry fob's case in reverse order.
The last thing to do is put your cover back on fob. Delicately try to assemble the pieces together by hands from top to bottom. If your key fob case tightly closed, we done. If not, repeat the last step.
How to replace the battery video guide
How to change SmartKey Key fob Battery on Audi A5 A3 A4 S4 S5 S6 Q5 Keyless entry IYZFBSB802
Still not working? Buy new one