Mr. John Smith

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#21

09-08-2016, 02:27 AM

mosesbotbol

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Quote:

Originally Posted by shemp

Is this true? Is it in "convenience mode" when unlocked and the door shut? I do notice when I turn the car off and sit in the driver's seat for a minute, there is a slight "humming" from under the driver's side dash (like a fan motor sound).

That's the aspirator motor. It's noisy by default.

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#22

09-08-2016, 09:10 AM

shemp

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Quote:

Originally Posted by mosesbotbol

That's the aspirator motor. It's noisy by default.

Ahh yes. My Yukon has one that in the headliner, similar hum. It's not loud, I was just curious. No sure why it needs to sample cabin air when the engine is off though.....

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