Car theft and high speed chase prevention device

Claim 1

A disabling system for a vehicle having a fuel tank, fuel line and a key ignition switch, said disabling system comprising: an electromagnetic valve disposed within the fuel tank, said valve reciprocating between an open position and a closed position for controlling fuel flow from the fuel tank through the fuel line; a first keypad mounted within the vehicle for inputting a first security code; circuitry having inputs and an output, said circuitry electrically coupled to said first keypad and the ignition switch at said inputs and electrically coupled to said electromagnetic valve at said output; processor means for comparing the first security code to a stored code, said processor means being coupled to said circuitry and activated by the ignition switch; receiver means electrically coupled to said circuitry; and a second remote keypad mounted within a law enforcement vehicle, said second keypad including transmitter means for transmitting an override signal to said receiver means; wherein said processor means prevents activation of the electromagnetic value and returns the valve to its closed position upon reception by the receiver means of the override signal, thereby disabling the vehicle.