Simple Soft E8059CHEVY 7-Inch Touchscreen GPS Navigation Unit
Less expensive than other brands. Functionally it seems to work well so far I just installed 04/13/13 but it does everything they stated. Simple Soft needs to update the manual as most feedback states. If you have the BOSE system and XM / Sirius radio set up you need to hook up the RED and WHITE XM jacks to have XM sound (both well labeled). It's at their web site burried in feedback, but really needs to be spelled out better becuase it isn't listed in the online manual either and a little of a pain to do w