An assembly (100) for shifting a wheelchair lift (1) within a vehicle (10), including a housing (102) arranged to be secured to a floor (12) of the vehicle (10) and extend substantially parallel relative to an opening (14) of a side doorway in the vehicle (10). The housing (102) includes a bottom plate (110) connected to a top plate (112) and forming a first channel (114) there between, a slidable member (104) arranged within the first channel (114), and a means (M) for displacing the slidable member (104) along the first channel (114) from a first position when stored to a second position in operation.