He/she is in the passenger’s seat and guides the driver on the itinerary by telling him/her of the coming difficulties.

Over time limit. Competitors arriving more than 30 minutes later than the target time between two time controls, at the end of each section and/or day of the rally are said to be OTL, and must retire from the day’s competition.

The central differential on 4-wheel-drive cars, which uses computer data to transmit torque to the wheels with the best grip to maximise the car’s performance. Since 2006, active front and rear differentials have been banned and replaced by mechanical systems.

 A person or entity responsible for looking after the administrative side of the organisation.

The bodywork on the cars has spoilers, splitters, strakes and other carefully-designed devices to channel cool air around the engine, gearbox, brakes, etc, and also to maintain the car’s grip on the road/track at high speed.

The air feeding the combustion chambers has to pass through an air restrictor to limit the power of the engine when required to do so by the regulations.

The time allotted by the rally organisers to a car to cover a liaison section outside the race. Penalties are handed out in case of late or early arrival.

Checks the overall system that the CH and CPs are working, the position of the public in the spectator zones, respect of the RTS, car going through the SS at H-30 to H-10.

The crews in the rally wear a driving suit consisting of three layers of fireproof material as well as fireproof underwear and a fireproof face mask under their helmet.

The Federation Internationale de l’Automobile, the Paris-based governing body for worldwide motorsport which regulates and controls the World Rally Championship.