3500 Sierra Denali navigation system
Just purchased my new 2015 Sierra. Have a couple of questions on the Navigation system. 1. The Truck is equipped with the navigation system as well as onstar. If I do not keep onstar will I loose th...
Forum Discussion
Are the Nav systems in the new trucks actual GPS or are the Cellular based GPS. Just form looking I would think the Nav systems would come down in price now that all the new trucks have the big old monitors in them.
