What do you guys think about this? This is the part number for the last one made (2013). Why such a low price compared to the GM site?
http://www.carsnavigation.com/2014-gm-navigation-dvd-america-and-canada-v-9-0-no-22944166/
http://www.carsnavigation.com/2014-gm-navigation-dvd-america-and-canada-v-9-0-no-22944166/