An interior trim arrangement for a motor vehicle door assembly is provided. The trim arrangement includes a trim panel with inner and outer portions connected by an upper portion that spans therebetween. The outer portion attaches the interior trim panel to the window belt line of the vehicle door assembly. A breakaway portion is integrated to the trim panel. The breakaway portion has an upper segment that extends orthogonally from an outer segment. The upper and outer segments are respectively elongated along the upper and outer portions of the trim panel. The outer segment is configured to attach the breakaway portion to the window belt line of the vehicle door assembly. The upper segment defines an aperture therethrough that is configured to receive the lock knob of the door lock assembly. The breakaway portion is configured to separate from the interior trim panel under a predetermined threshold lateral loading condition.