2013 Hyundai Sonata Owner's Manual - Page 338

Maintenance CALIFORNIA PROPOSITION 65 WARNING Engine oil contains chemicals known to the State of California to cause cancer, birth defects, and reproductive harm. Used engine oil may cause irritation or cancer of the skin if left in contact with the skin for prolonged periods of time. Used engine oil contains chemicals that have caused cancer in laboratory animals. Always protect your skin by washing your hands thoroughly with soap and warm water as soon as possible after handling used oil. Changing the engine oil and filter Have engine oil and filter changed by an authorized HYUNDAI dealer according to the Maintenance Schedule at the beginning of this section. 7 23