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Electric humming from overhead consol

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Old 11-02-2002, 06:32 PM
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02 C320 S.E., 02 BMW 330XI, 00 4Runner
Electric humming from overhead consol

Does anyone else notice a faint electric humming sound that comes from the overhead consol/sos/light after your turn your car off. It will usually last a couple of minutes afterwards?
Thanks,
Adam
Old 11-02-2002, 07:47 PM
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yes, normal
Old 11-03-2002, 08:16 AM
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'14 GLK250 Diesel
Yes

First thing I noticed after getting the car home. Have learned to ignore it, assuming it has to do with the electronics [GPS, phone pickup] embedded in same.
Old 11-03-2002, 12:31 PM
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The "speaker/microphone-grill" like louvers on the right side of the console are actually vents for the interior temperature sensor. Part of this assembly is a small fan which draws air into the overhead console and across the sensor. The fan generates the hum you hear. Hold a 1" x 1" piece of light tissue to the louvers and watch the fan pull the tissue to the vent... Yes, the hum is normal.
Old 11-03-2002, 01:31 PM
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02 C320 S.E., 02 BMW 330XI, 00 4Runner
Thanks

Thanks guys. I appreciate your insight. I had even unsnapped the consol from the ceiling to see what it might have been. I hate hearing sounds like that when you think everything should be turned off.

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