"There are a number of ways to install a car tracking device for teenager. First, there is the On Star that if offered standard on the majority of new GM vehicles and has been an optional feature for a few years now. In this scenario the teen knows about it, but may not put 2 and 2 together, as a parent may want to cite safety and omit the tracking option. Then there are many secret tracking
. devices that can be installed in the vehicle after market. Below are some friendly websites that would assist a parent with getting that GPS tracking device installedhttp://www.ggppss.com/http://www.gpsonsale.com/vehicletrackingdevices/products/GPS-Thief-Track/GPS-Thief-Track.htmhttp://www.online-tech-tips.com/gadgets/gps-tracking-key-vehicle-and-car-gps-tracking-device/Furthermore any teen can be tracked vie a cell phone, as long as the cell phone provider offers that service."
