A metallic component is by at least one peripheral edge. The target assembly also includes a second target piece juxtaposed to the first target piece. The gear selector system includes a selector lever that is movable by an operator in a linear direction parallel to a lengthwise axis of the vehicle. Regardless of the dimensions of the mirrors and the use of long torsion components, the mirrors are still located relatively close to one another. Also disclosed are pharmaceutical compositions comprising a compound which inhibits -amyloid peptide release andor its synthesis as well as methods for treating Alzheimers disease both prophylactically and therapeutically with such pharmaceutical compositions.