2005 Saturn Ion Owner's Manual - Page 336
2005 Saturn Ion Manual
Page 336 highlights
Recommended Fluids and Lubricants Fluids and lubricants identified below by name, part number, or specification may be obtained from your retailer. Usage Fluid/Lubricant Engine oil which meets GM Standard GM6094M and displays the American Petroleum Institute (API) Certified for Gasoline Engines starburst symbol. GM Goodwrench® oil meets all the requirements for your vehicle. To determine the proper viscosity for your vehicle's engine, see Engine Oil on page 5-15. Usage Fluid/Lubricant The engine requires a special engine oil meeting GM Standard GM4718M. Oils meeting this standard may 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. You should look for and use only an oil that meets GM Standard GM4718M. GM Goodwrench® oil meets all the requirements for your vehicle. For the proper viscosity, see Engine Oil on page 5-15. Engine Oil (2.0L L4 Supercharged engine) Engine Oil (2.2L L4 engine) 50/50 mixture of clean, drinkable Engine Cooling water and use only DEX-COOL® Coolant. See Engine Coolant on System page 5-24. 6-14