If a vehicle approaches you with its high beams turned on, what should you do?

High-beam headlights can be blinding. If an oncoming vehicle has not dimmed its headlights, remind the driver by flashing your high beams once. If the driver still does not dim his or her headlights, don't retaliate with your own high beams. Instead, slow down, keep right, look away from the oncoming vehicle, and steer by the right edge of the roadway until the vehicle has passed by. [Approaching Headlights, B. Night Driving, VIII. Sharing the Road Safely, Rhode Island Driver's Manual]