2006 Lexus GS 300 Owners Manual - Page 1178

ENGINE G62006 G62023 "GS300 (four−wheel drive models) 1 Add oil 2 O.K. 3 Too full 4. Pull the dipstick out and look at the oil level while holding a rag under the end. If it is between the full level mark ( 5 ) and the low level mark ( 4 ), it is O.K. "GS430 "GS300 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. We recommend that you use a funnel when adding oil. The approximate quantity of oil needed to raise the level between low and full on the dipstick is indicated as follows: 1.5 L (1.6 qt., 1.3 lmp. qt.) For the engine oil capacity, see "Specifications" on pages 520 and 523. When the level reaches within the correct range, return the filler cap and turn the cap clockwise until you hear a click. NOTICE Be careful not to drop engine oil on the vehicle components. 532