Vehicle assemblies and related kits and methods

A kit comprising:

• a first vehicle assembly and a second vehicle assembly, wherein each of the first and second assemblies comprises:
• an elongated body having a first end and a second end;
• a mounting assembly comprising:
• a mounting base connectable to an underside of a vehicle;
• and
• a mounting track extending from the mounting base, the mounting track supporting the first end of the elongated body;
• and
• an activatable release mechanism connectable to the underside of the vehicle, the release mechanism releasably engaging the second end of the elongated body;
• wherein activation of the release mechanism releases the second end of the elongated body, and wherein release of the second end allows the first end to slide out of the mounting track to release the elongated body from the vehicle;
• and
• a switch electrically connectable to the respective release mechanisms of the first vehicle assembly and the second vehicle assembly.