2009 Toyota Sienna Owners Manual - Page 468

4-3. Do-it-yourself maintenance NOTICE n To prevent serious engine damage Check the oil level on a regular basis. n When replacing the engine oil l Be careful not to spill engine oil on the vehicle components. l Avoid overfilling, as the engine could be damaged. l Check the oil level on the dipstick every time you refill the vehicle. l Be sure the engine oil filler cap is properly tightened. 4 Maintenance and care 443