how do you program the universal garage door opener in chrysler concord lxi 2002

1. start car 2. Hold the first and third button down until light starts blinking rapidly ( takes a little while- this clears out all the buttons from previous programming) 3. Get your garage door opener remote and hold down the button that opens your garage door. Press and hold the first button on your visor until the light starts blinking rapidly. this will signal that it has been programmed. You must hold both buttons down until the light on your visor starts blinking rapidly.