<h1>2020 GMC Yukon Denali Smart Key Remote Fob (Keyless Entry System)</h1> <p><span><b>Important Notice:</b> The 2020 GMC Yukon Denali does not support onboard programming for smart key remote fobs when equipped with a separate key and remote. Programming requires professional-grade diagnostic equipment and must be performed by an authorized technician or service provider familiar with GM key systems. </span></p> <p><span><b>Programming Procedure: If You Have Two Recognized Smart Keys:</b> </span></p> <ul> <li><span>Step 1: Prepare the Vehicle Ensure the vehicle is off. Place both recognized smart keys in the cupholder or front passenger seat. </span></li> <li><span>Step 2: Initiate Programming Mode Remove the key blade from one remote. Insert the blade into the door lock cylinder on the driver’s door. Turn the key counterclockwise to the unlock position five times within 10 seconds. The Driver Information Center (DIC) will display: READY FOR REMOTE #2, 3, 4, ETC. </span></li> <li><span>Step 3: Program the New Smart Key Place the new remote fob in the transmitter pocket (inside the center console storage area). Press the ENGINE START/STOP button. The DIC will confirm successful programming and readiness for additional remotes. </span></li> <li><span>Step 4: Finalize Programming Remove the remote from the pocket and press LOCK or UNLOCK to complete setup. To add more remotes, repeat Steps 3–4. Hold the ENGINE START/STOP button for 12 seconds to exit programming mode.</span></li> </ul> <p><span><b> If No Working Remotes Are Available:</b> </span></p> <ul> <li><span>Step 1: Begin Remote Learning Mode Remove the key blade from the remote. Insert it into the driver door lock and turn to the unlock position five times within 10 seconds. The DIC will display: REMOTE LEARN PENDING, PLEASE WAIT. </span></li> <li><span>Step 2: Complete Security Wait Cycle Wait 10 minutes until prompted: PRESS ENGINE START BUTTON TO LEARN. Press ENGINE START/STOP. Repeat this wait cycle two additional times (total ~30 minutes). After the third cycle, the display will show: READY FOR REMOTE #1. </span></li> <li><span>Step 3: Program New Remote(s) Place the first remote into the transmitter pocket. Press ENGINE START/STOP to learn the remote. Remove the remote and press LOCK or UNLOCK to confirm. Repeat for additional remotes. Hold ENGINE START/STOP for 12 seconds to exit programming mode. </span></li> </ul> <p><span><b>Additional Considerations:</b> </span></p> <ul> <li><span>All Remotes Must Be Present: If no working remotes exist, all fobs must be reprogrammed during the same session. </span></li> <li><span>Transmitter Pocket Location: Inside the center console storage area, in front of the tray. </span></li> <li><span>Proof of Ownership May Be Required: Especially when all keys are lost. Use Qualified Technicians: For accurate programming and to avoid system errors.</span></li> </ul>
