What is a Hitch or Coupling (Attache)?A hitch, known as an 'attache' in Belgian driving terminology, is the mechanical linkage that connects a towing vehicle (like a car) to a towed unit (such as a trailer, caravan, or horsebox). Its primary function is to securely transmit the pulling force from the vehicle to the trailer, ensuring the two units travel as one. A properly functioning hitch is fundamental for road safety and a key element of vehicle legality when towing.

Types of Hitches and Their ComponentsWhile various types of hitches exist, the most common for passenger cars and light commercial vehicles in Belgium is the ball hitch. This system consists of a spherical tow ball on the towing vehicle and a corresponding coupling head on the trailer's drawbar. Beyond the main mechanical connection, critical components include:

• Safety Chain(s): These are secondary connections designed to keep the trailer attached to the towing vehicle in case the primary hitch fails. Belgian regulations often require these.
• Electrical Connection: A plug and socket system that provides power from the towing vehicle to the trailer for lights (brake lights, indicators, tail lights) and sometimes for internal trailer systems.
• Breakaway Cable: For trailers with their own braking system, this cable applies the trailer brakes automatically if the trailer detaches from the towing vehicle.

Essential Pre-Drive Checks for Safe TowingBefore every journey involving a towed unit, especially for your Belgian driving test, a thorough check of the hitch and coupling system is mandatory. This ensures compliance with Belgian road safety standards and prevents potential accidents:

• Secure Connection: Verify that the coupling head is fully engaged and locked onto the tow ball. A visual indicator (often green) usually confirms a correct connection.
• Safety Chains: Ensure safety chains are properly attached to the designated points on the towing vehicle and are crossed under the drawbar to cradle it in case of detachment.
• Electrical Connection: Check that the electrical plug is firmly inserted into the socket and that all trailer lights (indicators, brake lights, tail lights) are working correctly.
• Breakaway Cable (if applicable): Confirm it's correctly connected to the towing vehicle, usually to a separate point from the safety chains.
• Drawbar Height: Ensure the trailer's drawbar is level or slightly nose-down once connected, distributing weight correctly and preventing instability.

Hitch Relevance in the Belgian Driving Theory ExamUnderstanding the 'attache' is crucial for the Belgian driving theory exam. Questions may cover:

• The importance of pre-drive safety checks.
• Correct procedures for coupling and uncoupling a trailer.
• The role of safety chains and electrical connections.
• Potential dangers of an incorrectly coupled trailer (e.g., instability, detachment). Proper knowledge demonstrates a responsible approach to towing, which is highly valued in practical and theoretical assessments.