2010 Chevrolet Cobalt Owner's Manual - Page 413

Recommended Fluids and Lubricants Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer/retailer. Usage Fluid/Lubricant Engine oil which meets GM Standard GM6094M and displays the American Petroleum Institute (API) Certified for Gasoline Engines starburst symbol. To determine the proper viscosity for your vehicle's engine, see Engine Oil on page 6‑16. Usage Fluid/Lubricant The engine requires a special engine oil meeting GM Standard GM4718M. Oils meeting this standard can be identified with the American Petroleum Institute (API) Certified for Gasoline Engines starburst symbol. However, not all synthetic API oils with the starburst symbol will meet this GM standard. Look for and use only an oil that meets GM Standard GM4718M. For the proper viscosity, see Engine Oil on page 6‑16. Engine Oil (2.0L L4 engine) Engine Oil (2.2L L4 engine) 50/50 mixture of clean, drinkable Engine Cooling water and use only DEX-COOL® System Coolant. See Engine Coolant on page 6‑28. Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. U.S. 12377967, in Canada 89021320). 7-11