2004 Lexus IS 300 Owners Manual - Page 354
2004 Lexus IS 300 Manual
Page 354 highlights
03 07.09 ENGINE NOTICE D Be careful not to spill the engine oil on the vehicle components. D Avoid overfilling, or the engine could be damaged. Check the oil level on the dipstick once again after adding the oil. Engine oil selection "Toyota Genuine Motor Oil" is filled in your Lexus vehicle. Use Lexus approved "Toyota Genuine Motor Oil" or equivalent to satisfy the following grade and viscosity. Oil grade: API grade SL "Energy-Conserving" or ILSAC multigrade engine oil. Recommended viscosity (SAE): SOIL14 Outside temperature SAE 5W-30 is the best choice for good fuel economy, and good starting in cold weather. If SAE 5W-30 oil is not available, SAE 10W-30 oil may be used. However, it should be replaced with SAE 5W-30 at the next oil change. 335