2013 Toyota Matrix Owners Manual - Page 319
2013 Toyota Matrix Manual
Page 319 highlights
4-3. Do-it-yourself maintenance ● 1.8L 4-cylinder (2ZR-FE) engine: When driving at high engine speeds or with a heavy load, or when driving while accelerating or decelerating frequently ● When leaving the engine idling for a long time, or when driving frequently through heavy traffic CAUTION