The lubricant specified for the 2019 Toyota Corolla is a full synthetic 0W-20. This designation refers to the oil’s viscosity grade, indicating its flow characteristics at both low (0W) and high (20) temperatures. Using the correct oil type ensures proper engine lubrication, reducing friction and wear on critical components.
Employing the manufacturer-recommended lubricant is crucial for maintaining engine health and performance. It contributes to optimal fuel efficiency, prolongs engine life, and ensures compliance with warranty requirements. Furthermore, utilizing full synthetic oil offers enhanced protection against thermal breakdown and deposit formation compared to conventional alternatives.