<h1>2023 GMC Sierra HD Keyless Entry Remote Fob (Smart Key)</h1> <p><font size="3"><b>Important Notice:</b> This vehicle allows onboard programming only when two recognized smart key remotes are available. If no programmed remotes are present, follow the 30-minute relearn method below. </font></p> <p><b><font size="3">Programming with Two Recognized Transmitters</font></b></p> <ul> <li><font size="3">Step 1: Remove the mechanical key from both recognized remotes. </font></li> <li><font size="3">Step 2: Place the recognized remotes inside the vehicle, preferably in the cupholder or passenger seat. </font></li> <li><font size="3">Step 3: Insert the key into the door lock on the driver's side. Turn the key to the unlock position five times within ten seconds. The Driver Information Center will display "Ready for Remote 2." </font></li> <li><font size="3">Step 4: Open the center console and locate the transmitter pocket inside, just ahead of the main storage bin. </font></li> <li><font size="3">Step 5: Place the new remote in this pocket. </font></li> <li><font size="3">Step 6: Press the Engine Start Stop button. The system will recognize the new remote. </font></li> <li><font size="3">Step 7: Remove the remote and press either the Lock or Unlock button to confirm functionality. </font></li> <li><font size="3">Step 8: Repeat Steps 5 through 7 to program additional remotes. </font></li> <li><font size="3">Step 9: When complete, press and hold the Engine Start Stop button for twelve seconds to exit programming mode.</font></li> <li><font size="3"> Step 10: Reinsert the key back into the remote. </font></li> </ul> <p><font size="3"><b>Programming Without Recognized Transmitters</b> </font></p> <ul> <li><font size="3">Step 1: Remove the key from the unprogrammed transmitter. </font></li> <li><font size="3">Step 2: Insert the key into the door lock on the driver’s side. Turn to the unlock position five times within ten seconds. The screen will display "Remote Learn Pending, Please Wait." </font></li> <li><font size="3">Step 3: Wait for approximately ten minutes until the message changes to "Press Engine Start Button to Learn." Press the Start Stop button. </font></li> <li><font size="3">Step 4: Repeat Step 3 two more times. After the third cycle, all previous remotes will be erased. </font></li> <li><font size="3">Step 5: When the display shows "Ready for Remote 1," place the new remote in the transmitter pocket in the center console. </font></li> <li><font size="3">Step 6: Press the Start Stop button. The vehicle will register the new remote. </font></li> <li><font size="3">Step 7: Remove the remote and press Lock or Unlock. </font></li> <li><font size="3">Step 8: Repeat Steps 5 through 7 for additional remotes. </font></li> <li><font size="3">Step 9: To finish, press and hold the Engine Start Stop button for twelve seconds. </font></li> <li><font size="3">Step 10: Return the key to the remote.</font></li> </ul>
