How To Program A 2018 - 2023 GMC Terrain Remote Key Fob - Add A Key / Lost All Keys Programming

A step by step video on how to program a smart key remote fob to a 2018 - 2023 GMC Terrain.

If you already have two working remote key fobs for your Terrain, you can use the instructions found here https://www.programyourremote.com/cla...

More free DIY programming instructions available at https://www.ProgramYourRemote.com

1. Remove the key lock cylinder cap. Insert the GMC Terrain emergency key into the key lock cylinder on the driver door handle; then turn the key counterclockwise, to the unlock position five times within 10 seconds. The Driver Information Center(DIC) displays REMOTE LEARN PENDING, PLEASE WAIT.

2. Wait for 10 minutes until the DIC displays PRESS ENGINE START BUTTON TO LEARN, then press the ENGINE START/STOP button. (You may have to open and close drivers door to see the DIC display). The DIC display will again show REMOTE LEARN PENDING, PLEASE WAIT.

3. Repeat Step 2 two additional times. After the third time all previously known transmitters will no longer work with the vehicle. The DIC displays PRESS ENGINE START BUTTON TO LEARN, then press the ENGINE START/STOP button. (You may have to open and close drivers door to see the DIC display). Remaining remote key fobs can be relearned during the next steps. The DIC display should now show READY FOR REMOTE # 1.

4. Place the new smart key fob in the GMC Terrain's cupholder .

5. Press the ENGINE START/STOP button. When the key fob is learned, the DIC display will show that it is ready to program the next remote key fob.

6. Remove the remote key fob from the transmitter pocket and press unlock or lock on the remote key fob.

To program additional transmitters, repeat Steps 4–6. When all additional transmitters are programmed, press and hold the ENGINE START/STOP button for approximately 12 seconds to exit programming mode.

This remote key fob programming procedure applies to following GMC models:
2018 GMC Terrain ( SL, SLE, SLT and Denali )
2019 GMC Terrain ( SL, SLE, SLT and Denali )
2020 GMC Terrain ( SL, SLE, SLT and Denali )
2021 GMC Terrain ( SL, SLE, SLT and Denali )
2022 GMC Terrain ( SL, SLE, SLT and Denali )
2023 GMC Terrain ( SL, SLE, SLT and Denali )

Find a Locksmith in your area with https://www.LocateALocksmith.com