2007 GMC Envoy Owner's Manual - Page 156

Reprogramming Universal Home Remote Buttons You can reprogram any of the three buttons by repeating the instructions. Universal Home Remote System Operation (With One Triangular LED) Erasing Universal Home Remote Buttons You should erase the programmed buttons when you sell the vehicle or terminate your lease. To erase either rolling code or fixed code on the Universal Home Remote device, do the following: 1. Press and hold the two outside buttons at the same time for approximately 20 seconds, until the indicator lights, located directly above the buttons, begin to blink rapidly. 2. Once the indicator lights begin to blink, release both buttons. The codes from all button will be erased. For additional information on Universal Home Remote, see Customer Assistance Offices on page 530. Your vehicle may have the Universal Home Remote System. If there is one triangular Light Emitting Diode (LED) above the Universal Home Remote buttons, follow the instructions below. If your vehicle has three round LED above the Universal Home Remote buttons, follow the instructions under Universal Home Remote System Operation (with three round LED). Do not use the Universal Home Remote with any garage door opener that does not have the stop and reverse feature. This includes any garage door opener model manufactured before April 1, 1982. If you have a newer garage door opener with rolling codes, please be sure to follow Steps 6 through 8 to complete the programming of your Universal Home Remote Transmitter. 156