The On-Star sattelite "motorist assistance" system is more than a helpful voice in the event of an emergency. Did you know they can track where you are, and where you have been, and how long it took you to get there ? Law enforcement can now trace your movements by On-Star with a warrant. General Motors hails On-Star as great for the stranded motorist as well, call for help, keys locked in, etc... Did you know they have the technology to STRAND and LOCK OUT you ? Yep, it is a serv...