2002 Lexus GS 430 Owners Manual - Page 271

ENGINE Engine oil selection Use API SJ, "Energy-Conserving" multigrade engine oil or ILSAC multigrade engine oil. 62G007d Recommended viscosity (SAE): "GS430 "GS300 62L005-1 Temperature range anticipated before next oil change If the oil level is below or only slightly above the low level mark, add engine oil of the same type as already in the engine. Remove the oil filler cap and add engine oil a little at a time, checking the dipstick. The approximate quantity of oil needed to fill between the low level mark and the full level mark on the dipstick is indicated below for reference. When the level reaches within the correct range, return the filler cap and turn the cap clockwise until you hear a click. Oil quantity. L (qt., lmp. qt.) 1.8 (1.9, 1.6) SAE 5W-30 is the best choice for your vehicle, for good fuel economy, and good starting in cold weather. If you use SAE 10W-30 engine oil in extremely low temperatures, the engine may become difficult to start, so SAE 5W-30 engine oil is recommended. NOTICE Avoid overfilling, or the engine could be damaged. Check the oil level on the dipstick once again after adding the oil. 254