HIGHTEC S YNT R S HC S AE 5W-20 E xtremely f uel –efficien t, High-performance engine oil developed specifically for modern and hybrid vehicles that require oil of performance class ILSAC GF-4. HIGHTEC SYNT RS HC SAE 5W-20 is a high-performance engine oil developed specifically for modern Otto engines based on selected HC synthetic base oils. HIGHTEC SYNT RS HC SAE 5W-20 meets the ILSAC GF-4 requirements and is used in many vehicles of American and Asian origin. HIGHTEC SYNT RS HC SAE 5W-20 is backward compatible with the former ILSAC GF-3 .It is characterised by a significant fuel saving potential with very good wear protection at the same time. Warning: These oils are unsuitable for use in some engines. Consult owner’s manual or handbook if in doubt.