Q: You've had an incident while driving through a tunnel. You aren't injured but your vehicle can't be driven. What's the first thing you should do in this situation?
        
        
            
                Correct answer:
                
                    Switch off the engine and switch on hazard warning lights
                
             
        
            
                Explanation
            
            
                If you're involved in an incident in a tunnel, be aware of the danger this can cause to other traffic. You should immediately switch on your hazard warning lights and switch off your engine.