Stereo must have "CAT" button Make sure to disconnect factory SAT/XM tuner in order for GROM to take its functionality.

Buick Enclave 2008-2011 (not USB ready radio, must have CAT button)
Buick Lucerne 2006-2011 (not USB ready radio, must have CAT button)
Cadillac DTS 2006-2011 (not USB ready radio, must have CAT button)
Cadillac Escalade 2007-2013 (not USB ready radio, must have CAT button)
Cadillac SRX 2007-2009 (not USB ready radio, must have CAT button, no rear seat entertainment)
Chevrolet Avalanche 2007-2013 (not USB ready radio, must have CAT button)
Chevrolet Equinox 2007-2009 (not USB ready radio, must have CAT button)
Chevrolet Express 2009-2014 (not USB ready radio, must have CAT button)
Chevrolet Impala 2007-2013 (not USB ready radio, must have CAT button)
Chevrolet Monte Carlo 2006-2007 (must have CAT button)
Chevrolet Silverado 2007-2013 (not USB ready radio, must have CAT button)
Chevrolet Suburban 2007-2013 (not USB ready radio, must have CAT button)
Chevrolet Tahoe 2007-2014 (not USB ready radio, must have CAT button)
Chevrolet Traverse 2009-2012 (not USB ready radio, must have CAT button)
GMC Acadia 2007-2012 (not USB ready radio, must have CAT button)
GMC Savana 2008-2012 (not USB ready radio, must have CAT button)
GMC Sierra 2007-2012 (not USB ready radio, must have CAT button)
GMC Yukon 2007-2012 (not USB ready radio, must have CAT button)
GMC Yukon Denali 2007-2009 (not USB ready radio, must have CAT button)
GMC Yukon XL 2007-2009 (not USB ready radio, must have CAT button)
Hummer Hummer H2 2008-2009 (not USB ready radio, must have CAT button)
Pontiac Torrent 2007-2009 (not USB ready radio, must have SAT)
Pontiac Vibe 2009-2010 (not USB ready radio, must have SAT)
Saturn Outlook 2007-2010 (not USB ready radio, must have SAT)
Saturn Vue 2008-2010 (not USB ready radio, must have SAT)
Details and Limitations:
1. All above stereos must be capable of Satellite Radio and have "CAT" button
2. SAT will be disconnected on all stereos