Most effective for: Any GM customer. Also for those on the fence a few GM/non-GM acquire but want OnStar's other characteristics, for example crash notification, computerized door unlock, level of interest areas and also the like. Commerce editor Hank O’Hop has had the Monimoto 9 in his 1969 Dodge Charger https://www.homify.co.uk/professionals/9871488/vehicle-trackers