2007 Chevrolet Cobalt Owner's Manual - Page 290

You should look for this information on the oil container, and use only those oils that are identified as meeting GM Standard GM6094M and have the starburst symbol on the front of the oil container. Notice: Use only engine oil identified as meeting GM Standard GM6094M and showing the American Petroleum Institute Certified For Gasoline Engines starburst symbol. Failure to use the recommended oil can result in engine damage not covered by your warranty. GM Goodwrench® oil meets all the requirements for your vehicle. If you are in an area of extreme cold, where the temperature falls below −20°F (−29°C), it is recommended that you use either an SAE 5W-30 synthetic oil or an SAE 0W-30 oil. Both will provide easier cold starting and better protection for the engine at extremely low temperatures. For Vehicles with the 2.0L L4 Supercharged Engine Only Look for two things: • GM4718M Your vehicle's engine requires a special oil meeting GM Standard GM4718M, such as Mobil 1® or equivalent. Oils meeting this standard may be identified as synthetic. 290