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TheHorse13 · 09-05-2011, 07:57 AM

If you hear this while the car is running, then it may be something else. The HVAC servo motors set the vents about 2-5 mins after the car is turned off. It is identified by a buzzing sound for about 3-5 seconds and it only happens one time.

09-05-2011, 07:57 AM	#5
TheHorse13 Drives: 2011 Black SS M6 Join Date: Oct 2010 Location: Harpers Ferry, WV Posts: 1,116	If you hear this while the car is running, then it may be something else. The HVAC servo motors set the vents about 2-5 mins after the car is turned off. It is identified by a buzzing sound for about 3-5 seconds and it only happens one time.