Battery Volvo on call Contrul unit Volvo S80/V70/XC90/XC70/S60/V60/XC60/V40
Amazon.com: for Key FOB Battery CR2430 2430 Replacement for Volvo Remote (Bundle with Opening Tools) for 2009-2017 S60 S80 V70 XC60 XC70 Smart Key W. INSTRUCTIONS (NOTE: SOME VEHICLES REQUIRE TWO BATTERIES) :
How to replace the battery in Volvo S60, V70, XC70, S80, XC90
How to replace battery in Volvo S60 V60 XC60 S80 V70 XC70