so finally i,ve done it 
put the car into reverse. keep the brake pressed.
turn on the self park assistance button.
on the bottom right press the button on the screen.
adjust your parking location with the help of arrows.
press next on the right bottom again.
press the same button once again and u,ll hear a beep that means u are ready 
slowly release the brake dnt exceed 2kmph. and your steering will automatically move towards the direction of parking.
here you go. well done mannerism 
//youtu.be/http://www.youtube.com/watch?v=Tf2ilWkD0nY
nomi bhai,s video
//youtu.be/http://www.youtube.com/watch?v=BqrlN8KFakI