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479. When a vehicle driving in front brakes suddenly due to a traffic accident ahead, which TWO of the following are the safest measures to avoid colliding with the vehicle?

  • Maintain a longer distance from the vehicle ahead than the stopping distance.
  • Turn on the emergency flashers and follow an emergency vehicle.
  • Reduce speed and maintain sufficient distance with the vehicle ahead to prevent a collision.
  • When there is any danger, use both the foot brake and parking brake to shorten the braking distance.

Answer : 1, 3