An adjustable steering column for a vehicle is provided. The control subsystem may employ two separate non-volatile memory locations, or alternatively a single non-volatile memory location. Alternatively, this invention is an emergency vehicle grille designed with emergency light sockets for the installation of flush mounted emergency lights. The systems and methods are designed to move the workload of read mapping from the extension stage to the seeding stage, thereby ensuring that the dominant portion of the overhead is shouldered by the public cloud. The electro-optical device is capable of reducing or preventing the breakdown of the switching element and obtaining the precise operation of the switching element by not creating a crack in the interlayer insulating film or the like between the switching element and the light shielding film.