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Have you found yourself in a pickle because your key fob battery died in your GMC Terrain? I am here to help! The average key fob battery lasts roughly 3-5 years. Check out my five step tutorial on how to get into and start your 2018-2021 GMC Terrain if this happens to you.
In case of emergency please call GM Roadside Assistance at 1(800)462-8782.