Read rule 112 — General driving rules: rules 103–158

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

Rule 112

The horn. Use only while your vehicle is moving and you need to warn other road users of your presence. Never sound your horn aggressively. You MUST NOT use your horn while stationary on the road when driving in a built-up area between the hours of 11.30 pm and 7.00 am except when another road user poses a danger. Law CUR reg 99