Most sims use a 'Blue Flag' warning system, which helps to notify competitors that they have cars approaching to lap them. For some sims, it may be a Flag Icon on the screen (rFactor top left). For others (GPL), the actual Marshals are waving the flags. Either way, if a Blue Flag is shown, then please try to react according to standard Motorsport (Not always the strict F1) rules.
Blue Flags are shown to drivers to warn them that the car approaching from behind is about to lap them. RaceConnect runs where possible, with sim flag penalties 'off', to avoid harsh penalties. However, this should not bee seen as an opportunity for cars that are considerably slower and are being lapped to be anything but supportive in the lapping process.
RCR 18a/. A single waved blue flag means, be prepared, a faster car is approaching to lap you. Follow Rules found in RCR11/. to support a safe pass.
Consequence for non-adherence:
Penalties will be applied depending on the level of the incident and at the discretion of Admin. These may range from Lap Penalties, to Time Penalties, to Drive Through Penalties, to Grid Penalties.