An assembly adjusts functional characteristics of the assembly. The assembly includes a wheel for a vehicle, a pneumatic tire mounted on the wheel, a first electromagnetic structure attached to the pneumatic tire, and a second electromagnetic structure attached to the wheel. The assembly has a first condition characterized by the first and second electromagnetic structures being not energized and a second condition characterized by the first and second electromagnetic structures being energized. The first condition is characterized by a first footprint of the pneumatic tire with a shape different than a shape of a second footprint of the pneumatic tire in the second condition.