template: ### Instruction: Rewrite this English sentence to give a better translation.
  
  ### English: The lasers scan the environment to detect obstacles -- a car approaching from the front, the back and also any obstacles that run into the roads, any obstacles around the vehicle.
  ### English rewrite: The lasers scan the environment for obstacles. They detect cars approaching from the front and back, and also any obstacles that might run into the road, or be around the vehicle.