Usually brakes, take her out on the highway and give her a few good hard stops from speed to break the glaze. Cold weather tends to glaze brake pads because they don't get hot enough under normal city use.
Might as well blow the carbon out while your there! <img src="graemlins/mwink.gif" border="0" alt="[mwink]" /> :p
“She may not look like much, but she's got it where it counts, kid. I've made a lot of special modifications myself.”
— Han Solo