Amazon.com: (2 PACK) CR2430 2430 Volvo Remote Key Fob Battery Replacement (Bundle with Opening Tools) for 2009-2017 S60 S80 V70 XC60 XC70 Smart Key FCC ID: KR55WK49264 or KR55WK49266 - WITH INSTRUCTIONS : Automotive
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) :
A Volvo key fob: A post-mortem investigation - EDN
How To Change A Car Remote Key Battery on Volvo v70 xc70 s60 s80 cx70 cx90 - YouTube