Read rule 115 — General driving rules: rules 103–158

Study signals, vehicle control, speed, stopping distances, lane markings and attention while driving.

Rule 115

You should also use dipped headlights, or dim-dip if fitted, at night in built-up areas and in dull daytime weather, to ensure that you can be seen keep your headlights dipped when overtaking until you are level with the other vehicle and then change to main beam if necessary, unless this would dazzle oncoming road users slow down, and if necessary stop, if you are dazzled by oncoming headlights.