Because nothing from GM is compatible for this system. It sucks if you have any other trim level than "Work Truck". This product is no something I see I real use of a GM truck
Do you have any of the adcmobile products? I was looking at navtool products. They look wonderful but there feed back from customers on bbb is ridiculous.
How I can get more information about your product I have a 2017 Silverado and I am interested
Why do you need another GPS antenna if the truck already has GPS?
Because nothing from GM is compatible for this system. It sucks if you have any other trim level than "Work Truck". This product is no something I see I real use of a GM truck
Do you have any of the adcmobile products? I was looking at navtool products. They look wonderful but there feed back from customers on bbb is ridiculous.