Join Date: May 2007
Location: Chicago, Illinois
Drives: Hyundai & KIA
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This is a copy & paste from the Tips & Tricks section of this Forum:
Programming Homelink for a Rolling Code Garage Door Opener - Limited Only - The owners manual is very poorly worded in regards to this and because of its lack of useful instruction, I struggled to program my Homelink for well over half an hour. I'm putting this in here to save you from needless aggravation and wasted time. Please be aware that all garage door openers manufactured in 1996 or later are rolling code designs.
> Make sure the car is away from the door and that pets and children are clear of the area.
> Turn the ignition to 'ON' but don't start the engine.
> Take your existing pre-programmed clicker and hold it up to the mirror. Choose the button on the mirror that you wish to program (1, 2 or 3) and press and hold it while pressing and holding the existing clicker. The red light on the mirror will flash slowly.
> Continue to hold both buttons until the red light on the mirror flashes rapidly, then release both buttons.
> Locate the 'Train' or 'Learn' button on the opener motor itself and press it. You should have between 30 seconds and one minute to complete the process, depending on the make and model of garage door opener.
> Return to the car and press and hold the button you programmed to the clicker. Your garage door opener light should flash and/or make a clicking sound to indicate the programming was successful.
> Test the button on the mirror to confirm successful programming.
> If you continue to experience difficulties, consult the manual for your garage door opener.