If I am not mistaken, this my friend is a Triptonic gear box. If you pull the lever down from N, then you will be able to drive the car in D (in as many gears as your car has) without manually changing gears (auto transmission). While in D, if you move the lever to the left then this becomes triptonic transmission, meaning you can shift gears up and down while moving the lever up and down and change to lower or higher gears from your current gear. I can not decipher whether your shift will move left or right from the picture but this is precisely what I have deduced from it.
Please correct me if Im wrong.