In accordance with an exemplary embodiment of the invention, an adjustment assembly for allowing or preventing adjustment of a component is provided. The adjustment assembly includes a first bracket at least partially surrounding the component, a second bracket at least partially surrounding the first bracket, and a piezoelectric device biasing against one of the first bracket or the second bracket in a first position, the piezoelectric device configured to contract and release the bias against one of the first bracket and the second bracket in a second position.