Last year, General Motors promised to bring 4G LTE and wi-fi to millions of vehicles in 2014, courtesy of a partnership with AT&T. Now, the automaker has announced pricing for the service. Are you ready for a new monthly bill? ALSO SEE: 2015 Subaru WRX Manual Vs. CVT: Tips To Help You Choose WI-FI & YOUR WALLET The data service will flow...
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