Engine Oil Recommendation PDF

A service bulletin that provides recommendations for using ILSAC GF-4 engine oil in Lexus vehicles. It emphasizes the benefits of this oil in terms of fuel economy, engine protection, and cold starting performance. The bulletin specifies that only certain engine series, such as the GR and JZ, should use this oil type. It advises against using this oil in engines not listed, as it may lead to incomplete lubrication and emissions issues.