I've done some searches and read oodles of threads on this.
My car - 2009
I've owned it ~3 weeks (give or take)
Every single time I have been into it after it's been sitting awhile, when opening the door, I hear the CD player buzzing. (it's empty)
(stop right there....it's not the fuel pump, it's not the steering wheel solenoid etc etc) I jumped into it yesterday and put my ear right against the CD player....yup, that was it for sure.


So last night I put a CD in the player. Voila! This morning (and this afternoon) when opening the car, no more stupid CD player buzzing noise.

Problem solved.

But WHY did it spin in the first place?

I thought it was odd....but when I bought the thing @ the dealership, they had an old CD in the player that the sales clerk just seemed to remember to remove just before I drove away. Odd.......makes sense now though, as I would've been asking about that freakin' noise.

Just sayin' !

 

Things that make you say mmmmm....

 

Do you have Navigation on the car? My Navi DVD spins when the car is off.
...And is being constantly read by the head unit to update the cars location with GPS.

- Erik

 

No Nav, nope. Just a plain jane COOPER with few options. Definately the CD player, but problem has been solved by inserting a CD in it and leaving it in.
Seems like a strange thing, to design a car to buzz the CD player when there is NO CD in it. You'd almost think it would be the other way 'round

 

I have had my 2009 for over 3 years and have heard a strange whirring or buzzing or whatever for so long I now ignore it. I do have CD in the player, so I don't know whether it is whirring or not. Now I will have to take it out and put it back in to determine if you are in fact correct and have solved a mystery that has driven many of us to the brink of insanity.

Update: problem NOT solved. Mine still whirs. Even with a CD in the player. And it sounds like it is coming from rear of center.

 

Normal behavior for the CD to spin up (or search for a disc) when the radio module powers up upon unlocking or opening a door (after the car goes to sleep).

 

Right, mine's done the same thing since new. I just figured it was normal, and as far as I know, it is.

Spridget