What is the recommended action if your vehicle stalls in a busy tunnel?

If your vehicle stalls in a busy tunnel, the recommended action is to use the emergency phone for assistance. This choice is correct because emergency phones are strategically placed within tunnels to provide direct communication to tunnel management and emergency services. They ensure a prompt response to your situation, which is crucial in a confined environment like a tunnel where risks can escalate quickly due to limited ventilation and high traffic.

Reaching out for professional assistance via the emergency phone allows trained personnel to guide you on the best course of action and to coordinate appropriate rescue measures. This not only enhances your safety but also the safety of other road users in the tunnel.

Attempting to restart your vehicle may not resolve the issue and could create a hazard if nearby vehicles are unaware of the situation. Signaling for help to passing vehicles could be ineffective in a busy and potentially chaotic setting, as those drivers might not be able to stop safely. Leaving the vehicle immediately, while sometimes warranted in emergencies, could expose you to significant dangers, especially in a confined space filled with other moving vehicles.