I think it's underpowered to start with. Probably be OK for driving to work/shopping, but I wouldn't put a 4cyl under a towing load of ~2000lbs & expect much (or expect it to survive for long).
2010-2012 Terrain's with power height adjustment system for front seats ... recalled for adjustment bolt's tendency to come loose, allowing seat to freely move up/down. System should not be used until dealer has checked/fixed problem.
... cp