Battery Volvo on call Contrul unit Volvo S80/V70/XC90/XC70/S60/V60/XC60/V40, 31350776
Volvo S60 XC70 battery disconnect and reconnect procedure - YouTube
How To Change the battery in Volvo S60 and XC60 - Car Battery Replacement - YouTube
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) :