Originally Posted by George SSSS
I have a 2005 Hummer H2 with the GM GPS navigation unit. It works easily and perfectly. It also is integrated with the radio, cell phone, and Onstar. Only downside is it doesn't have real time traffic capability.
FWIW, based on my experience, I would be hesitant to get anything but the factory unit whenever I buy a GM car.
thanks for ANY help