Abstract: A special switch installed within an automotive vehicle between the battery and the vehicle electric system, so that when the special switch is turned off, the vehicle battery is completely disconnected, thus eliminating all danger of a fire starting in case a short circuit occurs anywhere in the system; the special switch consisting, in one form of the invention, of an ordinary heavy duty switch inside the engine compartment that can be manually disconnected by a flexible cable extending through the fire wall to a pull knob located conveniently to the vehicle driver.