Ok, I'm back. Sorry I didn't see the last reply. Its been 5 months since I got the Renegade and still having the speaker issue. I first took it in about a week after I got the vehicle in May. They told me they had to order a new speaker (which would take a while because it comes from Italy).
August rolls around, still haven't heard anything. I call the dealership up and they are like "oh, bring it in tomorrow." Ok so if they had the speaker there, why didn't they call to tell me its in? How long were we driving around with a buzzing speaker with the replacement sitting in the dealership? Anyways, I take it in .. they tell me they replaced the speaker, everything is fine. I drive it home, don't notice it buzzing.
Now my wife tells me the speaker is buzzing again, this time worse than before. I'm taking the vehicle in next Tuesday. At this point I'm thinking the best course of action is a whole new stereo if they already replaced the speaker and it is still buzzing (I should have asked to see the box or something to confirm they actually replaced it ... my problem is I'm always too nice about things like this instead of being firm about it).
I'm kind of ticked because I have brought it in twice but the first time they gave me no documentation whatsoever so I can't count it towards the 3 strikes for the lemon law. We will see what happens.