In a picture with the news channel, the 72-year-old talk show legend, with a scarred chin and neck, poses with the staff of the burn unit at a Los Angeles hospital that treated him.
It was on November 12 that Leno was badly burned when he was messing with a 105-year-old car and gasoline splashed on his face and hands.
The former presenter is known for his great interest in motoring and his extensive car collection.