Mountain or Hilly driving
It has a similar function to the difference between Drive "D" and "2" gear on older transmission cars. It is useful if you are in mountains or hilly country going down-hill. You don't have to constantly ride-the-brake going downhill.
It has a similar function to the difference between Drive "D" and "2" gear on older transmission cars. It is useful if you are in mountains or hilly country going down-hill. You don't have to constantly ride-the-brake going downhill.
