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452. Which of the following is the safest action in the event of a fire in a tunnel?

  • Lock the car's doors to prevent theft and evacuate the tunnel.
  • Stay in the car as the tunnel will be filled with smoke from the fire.
  • Switch off the engine, leave the key in the ignition to allow for the car to be moved if necessary, and quickly evacuate to safety.
  • Make a U-turn and drive away from the exit.

Answer : 3