2009 Volvo S80 Owner's Manual - Page 275

06 Maintenance and specifications Specifications good fuel economy and engine protection. See the viscosity chart. The API Service Symbol "donut" is divided into three parts: Extreme engine operation Synthetic oils meeting SAE 0W-30 or 0W-40 and complying with oil quality requirements are recommended for driving in areas of sustained temperature extremes (hot or cold), when towing a trailer over long distances, and for prolonged driving in mountainous areas. • The upper section describes the oil's performance level. • The center identifies the oil's viscosity. • The lower section indicates whether the oil has demonstrated energy-conserving properties in a standard test in comparison to a reference oil. American Petroleum Institute (API) symbol 06 G022917 275