Webchat: OnStar’s Expanded Mobile App

Today we announced the expansion of the OnStar mobile app to a number of 2010 vehicles. The expanded list of 2010 model year vehicles includes the Cadillac DTS, Escalade, Escalade ESV and Escalade EXT; the Buick Enclave and Lucerne; the GMC Acadia, Yukon, and Yukon XL; and Chevrolet Avalanche, Impala, Suburban, Tahoe and Traverse.

To answer [...]