Caliber Car Wash on Jimmy Lee Smith Pkwy in Hiram, Georgia! With a variety of single washes and Limitless wash packages, Hiram will offer options perfect for your vehicle. Customers can also take advantage of boom stations pre-stocked with detailing freebies, including air fresheners, towels, cleaners, vacuums, detailing air, and more. The best part is that all these tools are included for free with every wash!