Accumulators; Audio speakers for automobiles; Batteries, electric; Battery charging devices for motor vehicles; Car batteries; Car stereos; Car videorecorders; Chargers for batteries; Charging stations for electric vehicles; Electric accumulators; Electric accumulators for vehicles; Electrical storage batteries; Keyless entry system and keyless ignition switch system for automotive vehicles comprised of a microprocessor, electronic signal receiver, and keyfob with electronic signal transponde...