What should you do if you are stopped in a tunnel for more than 2 minutes after switching on the hazard warning lights?
Vehicle immobilizations
Explanation
In the event of stopping in a tunnel for more than **2 minutes**, it is important to **turn off the engine**. This is due to several reasons:
- **Safety and visibility**: By turning off the engine, the accumulation of toxic gases inside the tunnel is avoided, which is crucial for the safety of all occupants and other drivers. Additionally, the position lights and hazard lights should be left on so that the vehicle is visible to other drivers.
- **Emergency regulations**: In emergency situations inside a tunnel, such as when there is a fire or a prolonged stop, turning off the engine is one of the first recommended steps. This helps to minimize risks and facilitates evacuation if necessary.
- **Energy efficiency**: Turning off the engine also helps to save fuel and reduce environmental impact, especially in a closed space like a tunnel.
For these reasons, turning off the engine is the correct and recommended action in the event of a prolonged stop in a tunnel.
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