XTRONS For GMC: Yukon Denali (2007 2008 2009 2010) & Acadia & Sierra (2008 2009 2010 2010) / Chevy (2007 2008 2009 2010) Silverado & Tahoe (2007 2008 2009 2010) & Suburban (2007 2008 2009 2010)& Avalanche (2007 2008 2009 2010) & Impala (2006 2007 2008 2009) & Monte Carlo (2006 2007) & Aveo 2008 & Express 2008 / Buick (2008 2009) Enclave & Lucerne/ Saturn (2007 2008 2009) Outlook & Vue (2008 2009) / Indash DVD GPS Player Navigation System AV Receiver Car Radio with 7" Touchscreen Monitor + RDS PIP (Factory Style, Free Map) Built in SD Card and USB slots, support Max 8GB. 7 inch digital LCD (16:9) with touch screen function. Picture-in-picture feature, for your watching 2 programs. Built- in GPS Function (Win CE6.0 Operating System,128M memory) Compatible with DVD/VCD/CD/MP4/(AVI,ASF)/MP3/CD-R/CD-RW