CHARLOTTE, N.C.–(BUSINESS WIRE)–Whistle Express Car Wash, a leading brand in the car wash industry, is excited to announce a new partnership with Flexcar, a flexible car lease company. This partnership aims to enhance the driving experience for Flexcar users by providing an exclusive discount on car wash services for drivers in Atlanta, GA, Charlotte, NC and Nashville, TN. Flexcar offers a unique alternative to traditional car ownership, with a flexible car lease model that includes maintenan