<h1>2022 GMC Sierra Smart Key Programming Instructions</h1> <p><font size="3"><b>Important Notice:</b> The 2022 GMC Sierra is not onboard programmable. Programming must be completed using a professional diagnostic tool. </font></p> <p><font size="3"><b>Programming Instructions:</b> </font></p> <ul> <li><font size="3">Step 1: Ensure the vehicle is stationary and all remotes are available. </font></li> <li><font size="3">Step 2: A certified technician must connect a diagnostic programming device to the vehicle’s onboard system. </font></li> <li><font size="3">Step 3: Once connected, the technician will program the new remote fob(s) into the system. </font></li> <li><font size="3">Step 4: After programming, test the remote(s) to confirm proper function.</font></li> </ul>
