that is a sensor for temperature if I remember right. It is for the climate control, and I beleive there is a fan in there as well. There may be something stuck in there, or possibly a bad fan.
hope this helps
hope this helps
Nope. That is up by the rearview.someone told me its the mic. for the on star system
he's full of shit I hate to say........My srvice writer said you have to pull the head liner to replace it,