How to Replace the Battery in a 2009 Volvo S80 Key Fob

If your car key fob is not working properly, the cell battery likely must to be replaced. In this article, we walks you through how to open your remote key fob and replace your Volvo key battery.
What is the battery key fob use
Before going to open remote key fob make sure that you have all recommended tools and materials: flat head screwdriver and 2xCR2430 batteries.- 2xCR2430 batteries
- flat head screwdriver
Step by step guide
A tiny coin battery installed inside the your keyless entry remote. Remove any internal key before you try to pry apart the remote key fob.
Delicately try to open your key with pry tools. Remove 2 CR2430 batteries with flat head screwdriver.
Now it's time to install new batteries inside fob’s case. Be sure to connect the battery the right way around in a circuit. Your remote key fob will not work if you place battery wrong way.
Before assembling fob’s case, verify that all is functioning by pressing buttons on keyless entry remote.
The last thing to do is put your cover back on fob. Gently try to assemble the two halves together by hands from top to bottom. If your key case tightly closed, we done. If not, repeat the last step.
How to change the battery video guide
Volvo XC 70, S60, S80, V70 Key Battery Replacement 2008 - 2013
Still not working? Buy new one