c30 battery dead? or is it something else? - Volvo Forums - Volvo Enthusiasts Forum
Reprogramming key?? The battery died in my key fob, I replaced it, and now it isn't programmed and won't lock/unlock the car. Has this happened to anyone else? : r/Volvo
Volvo C30 S40 V50 How to get out of park with a flat battery - YouTube