| By the marshals: | |
| Watch out! A car of the organisation, an ambulance, a fire-car or a slow driving participant on the track. | |
| A faster driver is behind you. When this flag is being flourished: Let the faster driver pass you! | |
| Watch out! Danger! Slow down! It is prohibited to overtake. When this flag is being flourished: BIG DANGER! Do not overtake! Be prepared to stop immediately! | |
| The earlier indicated warning for danger has been withdrawn. Also: start of the warming-up lap or start of the training. | |
| By the marshals, the referee or his assistant: | |
| Watch out! Slippery track (e.g. sand, oil or water on the track). | |
| Exclusively by the referee or his assistant: | |
| All cars must stop racing. Drive slowly and carefully to the pits or to the start/finish line. | |
| With this flag a number of a driver is shown. The driver mentioned has to stop at his pitbox during next lap. Often: disqualification. | |
| With this flag a number of a driver is shown. Your car has a technical defect, which is dangerous for other drivers. Stop at your pitbox immediately. | |
| Last warning for the driver who's number is shown (unfair driving). | |
| Finishflag. End of the race or training. | |