Chevrolet Cobalt Owners Manual: Service and Appearance Care

Towing a Trailer (Manual Transmission)

Do not tow a trailer if the vehicle is equipped with a manual transmission. ...

Service

For service and parts needs, visit your dealer/retailer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...

See also:

Chevrolet Cobalt Service & Repair Manual. Engine Valve Seat Grind
It is usually recommended to send head to machine shop for valve seat grinding. A suitable valve grinding tool kit is required to grind valve seats. Valve guides must be in good condition before grinding because a pilot is used in guide to center stones. ...