Quote Originally Posted by down_shift
The black flag

The solid black flag is used to summon a driver to the pits. It is usually used to punish a driver or team for disobeying the rules. The car number of the summoned driver is displayed in a designated place near the flagstand or occasionally on the flag itself. Black flags can be waved at all observation posts simultaneously to order all drivers to clear the track after the starter waves the red flag.

Wow, there is an intelligent Import owner out there.