Providing professional service to our local community In Prescott since 1987, Certified Transmissions Complete Auto Care is Arizona's Central Highlands premiere, local family built, owned, and operated Prescott auto repair facility. Certified not only specializes in all types of automatic and manual two-wheel and four-wheel drive transmission assembly, transfer case, and differential care, we also offer the same level of ASE Master Technician expertise for all our customer's general automotive needs, except tire repair, and we can arrange for that while we diagnose, maintain, or service your vehicle.