How to Open Your 2007 Volvo C70 Key Fob & Change Battery

If your car key is no longer unlock doors properly, the battery more likely must to be replaced. Below, you’ll benefit from knowing how to open your car remote key fob and replace a discharged battery yourself. If you choose to do it at home near C70, use this instruction, but don't forget to check tools and materials required before you start.
What type battery does 2007 Volvo C70 keyless entry remote take
Replacing battery in remote key fob require flat head screwdriver and one CR2032 battery. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.- 1xCR2032 battery
- flat head screwdriver
Step by step instruction
A tiny coin battery installed inside the your remote key fob. Gently try to pry apart your remote key fob with pry tools. Replace 1 CR2032 battery with flat head screwdriver.
Replace 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 polarity on battery, by "+" mark.
Before assembling fob’s case, check that everything working good by testing buttons on circuit board.
The last thing to do is put your cover back on fob. Accurately try to assemble the two halves together by hands from top to bottom. If your keyless entry remote case firmly closed, we done. If not, repeat the last step.
Video of remote key fob disassembly
Volvo S40 C30 V50 C70 Key Fob Battery Replacement 2004-2012
Still not working? Buy new one