OnStar Adds MapQuest, One-Touch Addressing, Traffic and Ex-Avoidance

For all the goofy hype that surrounds it, OnStar is occasionally helpful to those who have it. The OnStar/GM Nav system should be getting better now that the Onstar-Mapquest service is ready to go. The three main features include the ability to feed an address to an OnStar advisor while driving, the ability to create… » 4/02/08 2:15pm 4/02/08 2:15pm