My cover is held down by bungee cords and missing one of the top latches. If I hit one of those spots in a big dip where a paved road turns to dirt at about 50 mph it will fly off.
The amount of heat that leaks into the cab is absurd.
Car washers used to check oils but they complained about being overworked so now the FTers just smoke and joke and play with their smart phones for a couple hours each night.