Current offer applies to the following vehicles:

Buick Regal 2012
Buick Verano 2012
Cadillac DTS 2006-2011
Cadillac Escalade 2007-2009
Cadillac STS 2005-2011
Chevrolet Avalanche 2007-2011
Chevrolet Corvette 2005-2013
Chevrolet Cruze 2012
Chevrolet Equinox 2012
Chevrolet Malibu 2013* (SD card map update models only)
Chevrolet Silverado 2007-2011
Chevrolet Suburban 2007-2011
Chevrolet Tahoe 2007-2011
GMC Sierra 2007-2011
GMC Terrain 2012* (SD card map update models only)
GMC Yukon 2007-2011
Hummer H2 2008-2010
Pontiac Grand Prix 2005-2009
Saab 9-5 2007-2009