HELP front passenger seat probem

[Ballcrusher]

for some reason when let people into the back of the car from the passenger side it folds forward but dont slide along the runners in one motion but can adjust the seat by hand from the seat adjuster at the front.any help would be good

 

[rodenal]

There are some clips at the bottom of the seats it sounds like one of these has got broken/stuck. I'd have a look at the assembly on driver's seat first, then compare that to the passenger one.

Another person to pull the lever would probably be helpful in finding what it is that isn't moving