See your warranty book before using your vehicle for racing or other competitive driving. After reviewing your warranty book, please see the GM Performance Parts website or catalog and contact the race sanctioning bodies, for example Sports Car Club of America (SCCA) or Grand American, for parts and equipment required for racing or other competitive driving.
Chevrolet Cobalt Owners Manual. Tire Inspection and Rotation
We recommend that you regularly inspect the
vehicle's tires, including the spare tire, if the
vehicle has one, for signs of wear or damage.
SeeWhen It Is Time for New Tires
for more information.
Tires should be rotated every 5,000 to 8,000 miles
(8 000 to 13 000 km). See Scheduled Maintenance. ...