Why Is My 7 Buzzing Constantly!
 

:wallbash: i have no visual leaks and i have replaced my water pump and radiator cap, along with new coolant my car keeps buzzing very loud like the little speaker is going to blow :wallbash:

Try the 2nd generation section.

If your coolant level is fine in the filler neck and it keeps beeping, your coolant level sensor might be shorted. I had a similar situation where the cord going to the coolant level sensor was disconnected and caused the same thing to happen.