Key Fob Battery Replacement mikemu30 RX - 4th Gen (2016-2022) 0 Nov 18, 201810:43 AM Changing key fob battery Piece350 RX - 3rd Gen (2010-2015) 13 Mar 10, 201407:48 PM Key Fob Battery? Out2L8 RX - 2nd Gen (2004-2009)
If cost is a factor, just get your battery from Walmart. The Everstart batteries are made by Johnson Controls. Relatively cheap with a 3 year free replacement + 2 year pro-rate. Same manufacturer as Interstate, Sears Diehard and many OEM's like Benz, Bmw, Ford, Toyota, Hyundai, Kia, ...