HELP need to put gears back in place!
 

okay so heres my dilema, i got in a lil car accident, not 2 bad just the passenger side fender got bent, anyways i drive an AT and when i tried to put the gear in reverse it wouldnt let me, keep it mind it was on drive.. so i ended up forcing it2 reserve. now that shit is losse. and it doesnt wanna do anything.. im assuming it came out of place..
does anyone know how 2 fix it? can i do it myself? cuz the fukn insureance is taking forever and i wanna fix it now??? help me plzz...