How to Replace the Battery in a 2007 Audi TT Key Fob

If your Audi remote key fob is no longer working perfectly, the cell battery more likely must to be replaced. In this post, we outlined how to disassembly your remote key fob and replace your Audi key battery.
What size battery does 2007 Audi TT keyless entry remote required
Prior to disassembly keyless entry remote be sure that you have all recommended tools and materials: 1 CR2032 battery and flat head screwdriver.- flat head screwdriver
- 1xCR2032 battery
Step by step guide
A button battery installed in the your keyless entry remote. Open key first, and then try to pry apart the keyless entry remote.
Carefully try to pry apart your key fob with pry tools. Change one CR2032 battery with flat head screwdriver.
Now it's time to install new battery in fob’s body. Battery must be installed with the same polarity as was a previous. Your keyless entry remote will not work if you by mistake put battery wrong way.
Before assembling fob’s case, make sure that all functions works by pressing buttons on circuit board.
The last thing to do is put your cover back on fob. Carefully try to put the pieces in place by hands from top to bottom. Check your key shell for gaps. If it is not firmly closed try to repeat last step.
Video of key opening
How To Replace The Battery In Your Audi Key Fob