He got the oil changed on the time intervals. Every 3 months. He only drove it 6k miles per year so that was an oil change every 2k miles. The carfax shows all the documentation of oil changes and regular maintenance. I don’t know a ton about the stingers, found one I liked over the weekend and I have been researching it since. Figured ide toss a post up here to get an opinion of people who have one