Hoover

These 12.1 are a waist of time 2015 GMC, have had the unit for 12months.I have nothing but malfunction after malfunction,1, it won’t hold the navigation app keeps booting back to cellphone mode.2 When connection to the internet still goes back to the cellphone.3 .when driving if it holds the navigation the speed fluctuates up and down 5-10 mph.4.speed limit red zone warning stays on and won’t go away until you stop and reboot.5.fitted apple car play dongle and won’t charge the cellphone. Radio reception on their radio is also crappie,very static .Cant wait to fit a Alpine or Pioneer...