Although this transmitter can be programmed into any of the Audiovox remote start and or alarm, remote start systems, it will offer limited use and should be used for the remote start upgrade only. To program this transmitter into your remote start upgrade unit: 1) Turn the ignition to the on position 2) Press and release the programming switch 3 times 3) Press and hold, for 3 seconds, the button of the transmitter you wish to add until the parking light flashes indicating the transmitter ha