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Is anyone else having trouble getting comfortable in the 2011 GMC FWD Terrain SLT-1? We try to leave it on Auto but we are either freezing or roasting. Don't matter if it is summer or winter. I set it at 72 or sometimes 74. Seems like I have tried a lot of combinations that don't work. The upper vents on the dash put out a lot of cold air in the auto setting when we are cold and visa versa when we are warm. I have ask the dealer for help to no avail. They don't have a clue about operating the Terraine. After all, it took 4 sales and/or service people to tell me where the battery was when I bought it.
 

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My 99 Buick had the auto heat/ac controls which worked fine for the first 85K miles then after $4000 in ac fixes in the next two years,the Buick was traded away. Next car has manual controls.

Never again with all those auto controls.
 

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My wife gets cold and closes her vents...then it blows more air onto me....making me colder...I tell her to leave the vent open and tell me when she gets cold.
 

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hoorah said:
My wife gets cold and closes her vents...then it blows more air onto me....making me colder...I tell her to leave the vent open and tell me when she gets cold.
HA - ...I didn't know my husband was posting on here!
 

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My wife has the same problem, she can never get the temperature to a comfortable setting. She always claims it's broken. I have found that it is a pretty sensitive system. It seems to work very closely with the exterior temperature. I would suggest making minor changes to the temperature control knob each time. Try going up or down by only 1 degree each time until you find a comfortable setting. Also remember that the setting that works today may not work tomorrow because of the potential change in the exterior temperature.
 

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I have the same problem. Thought it was me but I'm constantly moving it up or down. I manually shut the A/C off, assuming it was occasionally running to balance things. Helped, somewhat but still not resolved.
 

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I don't think there's any good answer, but the way it works the best for me is to manually shut the A/C off, and once the car is warmed up I set the temperature at 75 or 76 degrees and turn the blower speed as low as possible and still be able to keep it comfortable.
 
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