Yes
You should always remain a safe distance when you are behind another vehicle. The recommended amount of space that you should leave is one and half car lengths.
It is called the disabled vehicle. This name is adopted in the tech world.
tailgate
3 seconds
the distance/time in which you should be following at behind a vehicle
Think of it this way, when you see a vehicle. more then likely it sees you, so try to lower the high beams as soon you realize another vehicle is infront of you. The law in Oregon is 350 feet.
Not too close so that if they break down you can't pull out past them. . . not too far away so that you don't cause an accident behind by suprising driver following you by how early/far away you stop.
It is more like car length than seconds when following another car. You should be at least 2 car lengths from the other car.
Keep your headlights on low beam.
1
You must dim your high-beams if you're within 500 feet of an approaching car and dim your high-beams within 300 feet of the vehicle you follow.