Our team at Certified Transmissions Complete Auto Care values each and every review we receive. We serve the Prescott area where our auto repair technicians use cutting-edge technology combined with stellar customer service. Schedule an appointment today. Certified Transmissions Complete Auto Care is conveniently located at 1089 West Iron Springs Road, Prescott, AZ 86305. Our hours are 8:00 AM - 5:00 PM, Monday - Friday. We also serve the communities of Prescott Valley and Chino Valley.