Disclosed herein are active material based closure hinge assemblies, latch assemblies, and alignment methods. In one embodiment, a closure assembly is disclosed. The assembly includes a first hinge portion having one end attached to a closure, a second hinge portion attached to the first hinge portion having one end attached to a vehicle body, and an active material configured to provide the first hinge portion with up to six degrees of freedom relative to second hinge portion upon receipt of an activation signal and less than or equal to two degrees of freedom in the absence of the activation signal.