
This lesson provides a systematic, safety-focused procedure for coupling and uncoupling tractor-trailer combinations. It covers the mechanical inspection of the fifth wheel and kingpin, the correct sequence for connecting air and electrical lines, and the final checks to confirm a secure lock. Following this detailed process is essential for preventing trailer separation and ensuring the combination is safe for the road.

This comprehensive course provides essential knowledge for aspiring professional drivers of heavy goods vehicles in Denmark. It details the legal and practical aspects of operating lorries and combinations, focusing on vehicle mass, load management, and advanced braking systems. Learners will understand the specific rules and road situations relevant to heavy transport, preparing them for the official theoretical examination for a C-category licence.
The Coupling and Uncoupling Procedures lesson explains one of the most important subjects in the Trailers, Semitrailers, Coupling and Combination Behaviour unit of the Danish Heavy Vehicle Theory C curriculum. It focuses on essential exam content that every learner in Denmark needs for the Danish driving theory exam. Through clear explanations, practical examples, and real traffic situations, this lesson helps you understand how the rules work in practice and strengthens your overall exam preparation.
Upon completing this lesson, you will be able to perform the coupling and uncoupling process with a professional, safety-first approach. You will understand the specific interaction between the fifth wheel and kingpin, and learn how to manage pneumatic and electrical systems to prevent accidental separation or damage during transit.
In the context of your Danish driving theory exam, you will be prepared to answer situational questions regarding the sequence of operations, safety interlocks, and the consequences of procedural failures. These skills will translate directly into your practical driving training, helping you build the confidence needed for high-stakes maneuvers in professional environments.


This lesson is essential for all Category C license candidates, especially those new to operating articulated heavy vehicles. It is also highly recommended for experienced drivers who want to ensure their procedures strictly align with Danish safety standards and exam requirements.
View all lesson topicsFind answers to common questions about the Coupling and Uncoupling Procedures lesson, including how it connects to the Trailers, Semitrailers, Coupling and Combination Behaviour unit and the full Danish Heavy Vehicle Theory C curriculum. Learn how long the lesson takes, what topics it covers, and how it supports your preparation for the driving theory exam in Denmark.

The Coupling and Uncoupling Procedures lesson is designed to make complex driving theory topics easier to understand. Content is written in a clear and practical way, aligned with exam expectations in Denmark, and supported by examples that reflect real traffic situations. Whether you are reviewing or starting from scratch, this lesson helps you study efficiently and make steady progress inside the Danish Heavy Vehicle Theory C curriculum.
Explore additional units that make up the complete Danish Heavy Vehicle Theory C curriculum. Each unit focuses on important driving theory subjects, helping learners in Denmark build strong exam knowledge and improve understanding of rules, signs, and traffic behaviour.

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4 lessonsUse our powerful search tool to pinpoint specific Danish driving theory topics, road signs, or traffic situations you need to review. Start exploring relevant practice sets now to reinforce your knowledge and build confidence for your upcoming driving licence exam.