Alright so it is very cold here, like -15C cold. When I started up my car today when the motor was cold I heard a "Pop" sound. Its the kinda of pop that is like when you drop the needle on an old record player or a speaker pop. It was loud, and it didn't really have a specific place the sound came from. I thought at first it was so cold that the speakers did indeed make a "pop" sound when I started the car. But another time I made sure the radio was off and I still got the same "Pop".. so now I'm not so sure it was the speakers?

Anybody ever experienced this ?