On which vehicles can Carly Protect be used? Share this with friends: Carly Protect can be used on all car brands. Only power supply is needed, which works even when the car is turned off. Related Articles When will Carly Protect come for iPhone? You want to switch the theft alarm on / off without opening the app? What are the waypoints? Where can I switch on location tracking? Where can I switch on my alarms? How do you put Carly Protect into operation?