2006 Lexus LS 430 Owners Manual - Page 376

6-1. Specifications Fuel Fuel type Octane rating Fuel tank capacity Unleaded gasoline only 91 (Research octane number 96) or higher 22.2 gal. (84 L, 18.5 lmp.gal) Lubrication system Oil capacity (drain and refill) with filter without filter Oil grade 5.4 qt. (5.1 L, 4.5 lmp.qt.) 4.8 qt. (4.5 L, 4.0 lmp.qt.) ILSAC multigrade engine oil Use Lexus approved "Toyota Genuine Motor Oil" or equivalent to satisfy the above grade and viscosity. Recommended oil viscosity 5W-30* Temperature range anticipated before next oil change *5W-30 is an oil that provides optimal levels of fuel efficiency Oil viscosity • "5W" oils are for use in areas where the ambient temperature is -13°F (25°C) or above. "10W" oils are for areas where the ambient temperature is -4°F (-20°C) or above. Oils with smaller figures are better for engine starting in cold weather and fuel efficiency. • "XX-30" indicates oil viscosity. Oils with larger figures have better thermostability and are good for high-speed driving. 366