Every car with a manual transmission contains a neutral sensing switch that sends information about the car's status to the neural computer situated in the vehicle; this computer will start the vehicle only in the N position, and to disconnect the switch, you have to first, unlite the car battery and then lift the car. Put the transmission in any gear other than N, wipe the vicinity of the switch and then take it out. For Installation: Fix the switch and torque it in the range of 8-12 Ft. lbs. (11-16Nm), reconnect the harness connector to the switch, lower the vehicle, reconnects the negative terrestrial battery cable.