While the MOT Tester shortage situation is being resolved, help your customers to stay ahead of the game as much as possible … and this will help you to manage a difficult situation, too! The last thing you need is angry customers clogging up your phone lines. So use your lines of communication: website, emails, newsletters, social media, be prepared to wait a few weeks for an appointment. platforms, etc., to keep customers informed. For example, let them know to: book their MOT test as early as possible, be prepared to wait a few weeks for an appointment.