If you find yourself constantly having to open your car’s headlight to remove moisture, there is an easy and inexpensive solution. All you need is a can of compressed air and a small piece of cloth. To remove moisture from your headlight, first spray the area with compressed air using a gentle stream. This will help to loosen any water droplets that may be stuck in the light. Once the droplets have been dislodged, use the cloth to gently wipe them away. Be sure to do this in a circular motion to avoid rubbing the light surface too harshly. ..