The proper way is to install the rear
Window Regulator bolts halfway into the rear window regulator motor and the rail, position the window regulator rail through the rear access hole first, position the window regulator motor through the rear access hole, install the window regulator into the key slots, attach the regulator to the motor and the rail, secure the regulator with bolts, remove the tape and position the rear window to the regulator carrier plate, connect the window to the regulator carrier plate, connect the electrical connector to the rear window regulator motor, install the rear speaker, install the water deflector and install the trim panel.