How to Open Your 2012 Volvo C30 Key Fob & Change Battery

If your C30 key isn't open doors perfectly, the battery more likely needs to be changed. It's not difficult to replace the battery in your key fob DIY. Everything you need is described in this article.
What type battery remote key fob require
Before going to disassembly key fob check all that you need: flat head screwdriver and CR2032 battery.- flat head screwdriver
- 1xCR2032 battery
Step by step instruction
Inside of your key fob installed tiny coin cell battery. Remove any internal key first, and then try to pry apart the key fob.
Carefully try to open your key fob with hands or flat head screwdriver. Replace CR2032 battery with flat head screwdriver.
Get new battery and install it inside keyless entry fob's shell. Be sure to connect the battery the right way around in a circuit. Your key will not work if you place battery wrong way.
Before assembling fob’s case, verify that everything is functioning by pressing buttons on keyless entry remote.
The last thing to do is put your cover back on fob. Carefully try to put the two halves in place by hands from top to bottom. If your fob body tightly closed, we done. If not, repeat the last step.
How to change the battery video guide
How to change remote key fob battery in Volvo S40 V50 V70 C30 C70
Still not working? Buy new one