2011-2012 GM DVD Navigation Roadmaps of America and Canada v6.0c NO.20940248 + Car DVD Maps Professional DVD Navigation Maps in United States and Canada GM p/n 20940248 V6.0c. These cards are not suitable for car models older than 2007. GM P/N :20940248 VERSION 6.0c DW464210-7380 System works for: 2007 2008 2009 2010 2011 2012 GMC Yukon, […]