<h1>2013 GMC Terrain Keyless Entry Remote Fob (Smart Key)</h1> <p><font size="3"><b> If All Keys Are Lost (Flip Key or Standard Key)</b></font></p> <p><font size="3"> If you do not have any working keys, the vehicle will need to be programmed using advanced diagnostic equipment. </font></p> <ul> <li><font size="3">Step 1: Transport your vehicle to a qualified professional who can access the vehicle’s onboard systems. </font></li> <li><font size="3">Step 2: The technician will use specialized programming tools to pair a new key fob with your vehicle. </font></li> </ul> <p><font size="3"><b>Note:</b> This process cannot be completed manually without at least one working key. </font></p> <p><font size="3"><b>Adding a New Key When One Programmed Key Is Available</b></font></p> <p><font size="3"> If you have a functioning key and want to add another, use the following method: </font></p> <ul> <li><font size="3">Step 1: Insert your working key into the ignition and turn it to the ON/RUN position. </font></li> <li><font size="3">Step 2: Switch the ignition to OFF and remove the key. </font></li> <li><font size="3">Step 3: Insert the new key to be programmed and turn it to the ON/RUN position within five seconds. </font></li> <li><font size="3">Step 4: Wait until the security light on the dashboard turns off, indicating that the new key is now recognized. </font></li> <li><font size="3">Step 5: Repeat steps 1–4 to program additional keys, if needed.</font></li> </ul>
