
The dashboard is the vehicle's primary communication interface with the driver. This lesson explains how to read essential gauges, such as the air pressure gauges for the braking system, the tachometer, and the fuel level. It focuses on recognizing the meaning of different warning lights (red for urgent, amber for caution) and the importance of stopping safely to investigate any critical alerts immediately.

This course provides the complete theoretical foundation for obtaining a Swiss Category C or C1 driving license. It details the specific regulations, vehicle dynamics, and safety protocols applicable to heavy goods vehicles. Learners will explore topics such as mass and dimension limits, advanced braking systems, professional responsibilities, and how to safely operate large vehicles on Swiss roads, including motorways and challenging mountain passes.
The Dashboard Instruments, Warning Lights, and On-board Diagnostics lesson explains one of the most important subjects in the Vehicle Construction, Controls, Safety Checks and Roadworthiness unit of the Swiss Truck Driving Theory (C/C1) curriculum. It focuses on essential exam content that every learner in Switzerland needs for the Swiss 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.
By the end of this lesson, you will be able to confidently read your lorry's dashboard, ensuring you understand the vehicle's status at a glance. You will know exactly what each warning light signifies and the legal and safety requirements for responding to them, preventing potential roadside breakdowns or more serious incidents.
In the context of the Swiss theory exam, this knowledge allows you to correctly answer scenario-based questions regarding vehicle maintenance and emergency responses. You will move from simply looking at the dashboard to actively using it as a diagnostic tool, reflecting the professional standards required for Category C and C1 drivers.


This lesson is essential for all C and C1 license candidates. It is particularly helpful for those preparing for the professional theory test who need to quickly master the safety-critical symbols and gauges found in heavy goods vehicles.
View all lesson topicsFind answers to common questions about the Dashboard Instruments, Warning Lights, and On-board Diagnostics lesson, including how it connects to the Vehicle Construction, Controls, Safety Checks and Roadworthiness unit and the full Swiss Truck Driving Theory (C/C1) curriculum. Learn how long the lesson takes, what topics it covers, and how it supports your preparation for the driving theory exam in Switzerland.

The Dashboard Instruments, Warning Lights, and On-board Diagnostics 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 Switzerland, 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 Swiss Truck Driving Theory (C/C1) curriculum.
Explore additional units that make up the complete Swiss Truck Driving Theory (C/C1) curriculum. Each unit focuses on important driving theory subjects, helping learners in Switzerland build strong exam knowledge and improve understanding of rules, signs, and traffic behaviour.

Understand the professional framework for Swiss heavy goods vehicle drivers, including license categories C, C1, C1E, CE, driver responsibilities, essential documents, and the basics of tachograph use for your theory exam preparation.
6 lessons
Master Swiss rules for heavy vehicle dimensions, masses, and axle loads. Crucial knowledge for safe, legal operation and your Category C/C1 theory exam.
7 lessons
Learn about lorry construction, controls, and your vital responsibility for daily roadworthiness checks. Essential for the Swiss C/C1 theory exam and safe driving.
8 lessons
Learn critical Swiss theory for C/C1 licenses on proper load distribution, weight management, and secure cargo handling to ensure vehicle stability and safety on the road.
7 lessons
Learn the essentials of driving with trailers and semitrailers in Switzerland. This unit covers safe coupling, articulation dynamics, and how to prevent dangerous situations like jack-knifing for your C/C1 theory exam.
7 lessons
Learn essential heavy vehicle skills: master mirrors, manage blind spots, and perform safe turns and reversals for your Swiss C/C1 theory test and everyday driving.
7 lessons
Master urban delivery driving for Swiss C/C1 trucks, focusing on protecting pedestrians and cyclists, safe right-turn procedures, and understanding urban access restrictions. Essential for theory exam success.
6 lessons
Learn critical Swiss driving theory for Category C/C1 trucks, covering safe navigation of rural roads, challenging mountain passes, tunnels, motorways, and adapting to adverse weather. Essential for exam success.
7 lessons
Master critical heavy vehicle emergencies: fatigue, breakdowns, fires, and accident response for your Swiss C/C1 theory test. Essential for safe professional driving.
7 lessonsPinpoint specific Swiss traffic rules, road signs, or driving situations you need to master. Use the practice search to start a focused revision session now and build confidence for your official driving theory exam.