2011 Lexus IS 350 User Guide - Page 544

6-1. Specifications Differential IS350C: 1.42 qt. (1.35 L, 1.19 Imp. qt.) IS250C: 1.20 qt. (1.15 L, 1.01 Imp. qt.) Toyota Genuine Differential Gear Oil LT 75W-85 GL-5 or equivalent Oil capacity Oil type and viscosity* *: "Toyota Genuine Differential Gear Oil" is put in your Lexus vehicle at the factory. Use Lexus approved "Toyota Genuine Differential Gear Oil" or an equivalent of matching quality to satisfy the above specification. Please contact your Lexus dealer for further details. Automatic transmission IS350C: 8.3 qt. (7.9 L, 6.9 Imp. qt.) IS250C: 7.9 qt. (7.5 L, 6.5 Imp. qt.) Toyota Genuine ATF WS Fluid capacity* Fluid type *: The fluid capacity is provided as a reference. If replacement is necessary, contact your Lexus dealer. NOTICE Using automatic transmission fluid other than "Toyota Genuine ATF WS" may cause deterioration in shift quality, locking up of your transmission accompanied by vibration, and ultimately damage the automatic transmission of your vehicle. 556