<h1>2005 GMC Yukon Denali Keyless Entry Remote Fob (Smart Key)</h1> <p><font size="3"><b>Important Notice:</b> The 2005 GMC Yukon Denali supports onboard programming for keyless entry remotes. No special tools are needed, but the steps must be performed exactly as outlined to ensure successful programming of all remotes. </font></p> <p><font size="3"><b>Programming Procedure:</b> </font></p> <ul> <li><font size="3">Step 1: Prepare the Vehicle Ensure all vehicle doors are closed completely. Insert the key into the ignition cylinder but do not start the vehicle. </font></li> <li><font size="3">Step 2: Hold the Unlock Button Press and hold the power UNLOCK button on the driver’s door panel. – Continue holding this button until you are instructed to release it in Step 9. </font></li> <li><font size="3">Step 3: Cycle the Ignition Switch While holding the unlock button, follow these steps in quick succession: Turn the ignition switch to the ON position (as far as it goes without starting the engine). Turn the ignition switch OFF. Turn the ignition switch ON again. Turn the ignition switch OFF again.</font></li> <li><font size="3"> Step 4: Enter Programming Mode Release the UNLOCK button. – The doors will lock and then unlock automatically, confirming that the vehicle is now in programming mode. </font></li> <li><font size="3">Step 5: Program the First Remote Press and hold both the LOCK and UNLOCK buttons on the remote at the same time. – Hold them for up to 30 seconds, or until the doors lock and unlock to confirm successful programming. </font></li> <li><font size="3">Step 6: Program Additional Remotes Repeat Step 5 for each additional remote you wish to program, including any existing ones. – All remotes must be programmed during the same session; previously programmed remotes will be erased if not reprogrammed now. </font></li> <li><font size="3">Step 7: Exit Programming Mode Turn the ignition switch to the ON position to exit programming mode. </font></li> </ul> <p><font size="3"><b>Final Steps and Tips:</b> </font></p> <ul> <li><font size="3">Test Each Remote: Verify that all remotes now control the lock, unlock, and panic functions. </font></li> <li><font size="3">Restart If Necessary: If programming was unsuccessful, repeat the entire procedure from Step 1. </font></li> <li><font size="3">Remote Battery Check: If a remote fails to program, ensure its battery is in good condition.</font></li> </ul>
