TechnoRide recently navigated using OnStar's new"Turn-by-Turn" navigation system to see how it worked. Turn-by-Turn works by OnStar downloading a route's directions into the vehicle. Voice prompts ...
Coming to a Best Buy near you in the spring of 2011 will be a complete standalone OnStar package housed in one aftermarket mirror. For $299 (plus an estimated $75-$100 for installation and a ...
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