  By Wayne Rash  |  Posted 2013-02-25   The chances are pretty
good that your late model car can now communicate with your
phone. A large percentage of cars built in the last decade have
Bluetooth built into the car’s entertainment system to allow you
to make hands-free calls, a process theoretically safer than
holding the phone to your ear while your drive. Many of those
cars also have the ability to communicate with their makers’
servers to schedule maintenance or request roadside assistance.
But General Motors and AT&T are upping the ante. GM, already
equips its cars with cellular connections for its OnStar
navigation and concierge system. With the current version of
OnStar, GM operators can give you turn-by-turn directions,
unlock your car when you’ve left the keys inside and provide
guidance to the police when your car is stolen. Over the years,
OnStar has migrated from analog cell services to digital, and
now it’s moving to LTE.  What’s different is that along with the
LTE connection, GM and AT&T are o