Final answer:
When driving, it is important to dim your headlights within 500 feet of an oncoming vehicle and when following a vehicle to avoid blinding and distracting other drivers.
Step-by-step explanation:
When driving, it is important to dim your headlights within 500 feet of an oncoming vehicle to avoid blinding the driver. This is a common safety practice that helps maintain visibility and prevent accidents. When following a vehicle, you should also dim your headlights to avoid distracting the driver ahead.