General Motors, Ford, Mercedes, Subaru and even QNX (owned by Research In Motion) each showed off their respectively differing approaches to getting apps into the dashboards of our cars at the 2012 Consumer Electronics Show in Las Vegas this week. And while the idea of apps in the car is a dream for some, so far, most of the apps center around replicating smartphone or tablet experiences from the driver's seat. OnStar, the GM-owned telematics company, has a slightly different idea to piggyback off the work developers are doing building apps for use in both smartphones and cars