Keeping cool with AC

Editor's note: The following is the latest in a series of weekly driving tips provided by premium carmaker Mercedes-Benz:

Driving in Beijing without an air conditioner in the summer may be rewarding for those who want to shed a couple of pounds, but for everyone else, using AC is a necessity. Whether it's the heat or toxic pollution that bothers you, the AC can be a lifesaver. Our guide offers tips on using the AC in your car.

Set the appropriate temperature