Things added to the outside of the vehicle can affect the airflow around it. This can cause wind noise and can affect fuel economy and windshield washer performance. Check with your dealer/retailer before adding equipment to the outside of the vehicle.
Chevrolet Cobalt Service & Repair Manual. Engine No Start
A visual inspection must always
be performed to confirm the presence of aftermarket components, potential
collision damage, or areas of concern.
Caution: The fuel system is
under constant pressure, even with the key off. Before testing or servicing
fuel system rel ...