whistling noices
 

My 2003 Honda Civic jsut started making whistling noices lately. It sounds really stupid but it makes like a low pitch noice and then a really high pitched one. I have noticed it has only happened when I'm in first or second gear and moving rather slow (traffic). I have never had this problem before and it only started after I brought my car in for an oil change. Does anyone have any idea what could we causing it?