Over 40 Years Of Experience. Welcome to Don's Auto Service, a full-service preventive maintenance and automotive repair center. We perform high quality, guaranteed service you can trust at a fair price. We are locally owned and operated, proud to be serving the treasure valley for over 40 years. Over 40 Years Of Experience. Welcome to Don's Auto Service, a full-service preventive maintenance and automotive repair center. We perform high quality, guaranteed service you can trust at a fair price. We are locally owned and operated, proud to be serving the treasure valley for over 40 years.