 | Green | You are free to drive at speed. Passing is allowed in the appropriate zones. |
 | Stationary Yellow | Caution, no passing. |
 | Waving Yellow | Slow down,you are approaching a hazard. Normally displayed when an accident has occurred. |
 | Blue with Yellow Diagonal Stripe | A faster car is behind you! Let them pass at the next opportunity. |
 | White | Slow moving vehicle on track. It may be an emergency vehicle which can be passed with great care. |
 | Red | Emergency! Check mirrors, slow down, pull to the right side of the track, and stop in sight of the next corner worker on the track. |
 | Black with Orange Circle | You have a mechanical problem. Exit to the hot pit. |
 | Black | You broke the rules! Exit to the hot pit for a discussion with the starter. |
 | Checkered | The session is done.Slow down allow the car to cool down and exit where instructed. |