I always have music on in the car, so don't hear these squeaks... But occasionally I'll drive without music on, i.e. when I'm on mornings (don't want to wake the neighbours). I have noticed this noise but didn't think it to be one of concern, you expect some noises from the car, usually the annoying sounds I get in my car are my family, my mates know to shut up and hang on.
If it's just annoying than do as techie has just said, but going in with something off the web is gonna rub people up the wrong way.
ED