2011 GMC Acadia Owner's Manual - Page 191

Instruments and Controls 5-59 Universal Remote System Operation Using Universal Remote Press and hold the appropriate Universal Remote button for at least half of a second. The indicator light will come on while the signal is being transmitted. To erase all programmed buttons on the Universal Remote device: Reprogramming a Single Universal Remote Button To reprogram any of the three Universal Remote buttons, repeat the programming instructions earlier in this section, beginning with Step 2. Erasing Universal Remote Buttons All programmed buttons should be erased when the vehicle is sold or the lease ends. 1. Press and hold down the two outside buttons until the indicator light begins to flash, after 20 seconds. 2. Release both buttons. For help or information on the Universal Home Remote System, call the customer assistance phone number under Customer Assistance Offices (U.S. and Canada) on page 13‑5 or Customer Assistance Offices (Mexico) on page 13‑6.