Tailgating – following another vehicle too closely.
Two Second Rule – in dry conditions you should leave a two second gap between you and the vehicle in front. In the wet this gap should be four seconds.
Car Horn – only use this to alert other road users of your presence.
Flashing Headlights – only flash your headlights to let other road users know that you are there.
Full beam headlights – only use when on a unlit road at night when there is no traffic ahead of you.