Support devices and their components are disclosed, including an optional lighting element mountable on the support device for emitting light. The support device facilitates access to a vehicle and includes an elongate extruded support member, brackets for mounting the elongate extruded support member to a vehicle, and a step affixed to the elongate extruded support member. A mount can be provided and coupled to the lighting element and to the step to secure the lighting element to the step when the lighting element is incorporated.