Patent ID: 8263884

Claim:
An apparatus, comprising: a housing having at least one exterior wall defining an interior space, the interior space including a cavity of a predetermined size and shape; a switch, a light source, and an electrical power source, wherein the switch is in electrical communication with the light source and the power source, and wherein the switch includes a ferromagnetic element disposed so that in one position the switch is open and in another position the switch is closed; and a magnet disposed within the cavity, the magnet having a magnetic field; wherein the apparatus is provided in a form suitable for use as a component of or an attachment to an egress from a vehicle, and wherein the cavity is shaped and disposed within the housing and relative to the ferromagnetic switch element so that in the event of roll or pitch in excess of a predetermined extent, the magnet moves with the cavity to a location proximate to the ferromagnetic switch element and by magnetic attraction causes the ferromagnetic switch element to move to the closed position, thereby connecting the light source to the power source and so turning on the light source for use as a guide to vehicle occupants in locating the egress.