General Motors has announced that 14 of its 2010-model-year vehicles are now supported by the OnStar mobile applications. The expanded list includes the Cadillac DTS, Escalade, Escalade ESV and Escalade EXT; the Buick Enclave and Lucerne; the GMC Acadia, Yukon, and Yukon XL; and the Chevrolet Avalanche, IMpala, Suburban, Tahoe and Traverse.
