If you need to change a burnt out cargo area (or “trunk”) light bulb in the headliner of your first generation (2010, 2011, 2012, 2013, 2014, 2015 & 2016) GMC Terrain SUV, check out my DIY tutorial for the procedure (with the replacement part numbers) by clicking on the text link or thumbnail image below.
2010-2016 GMC Terrain Cargo Area Light Bulb Replacement Guide