When riding at night, a motorcycle rider should utilize the high beam setting to maximize visibility. High beams provide a broader and more intense light, which illuminates the road ahead more effectively than low beams. This can be especially important on dark roads where the lack of street lighting necessitates greater visibility to detect obstacles, turns, or other vehicles. Furthermore, using the high beams helps the rider to be seen by other motorists, increasing their visibility on the road. It's essential, however, to be mindful of oncoming traffic and to switch to low beams when there are vehicles approaching to avoid dazzling other drivers. The other options are not suitable for nighttime riding. Parking lights are intended for use when the vehicle is stationary, and fog lights are designed for use in low visibility conditions but do not provide sufficient range for general night riding. Low beams, while common for night use, do not offer the same level of forward illumination as high beams do. Therefore, for optimal visibility and safety when riding at night, the high beam setting is the recommended choice.