What lights should be used when reaching the top of a slope at night?

[OSebastian]

When driving uphill at night, you should alternately use high and low beams to signal. After reaching the top of the slope, switch to low beams to avoid dazzling oncoming vehicles. Precautions for driving uphill and downhill: Pay attention to light switching: When driving uphill at night, the change in the angle of the headlights may cause the illumination distance to be too short, affecting visibility. Additionally, the engine sound may become muffled, and power may decrease. Therefore, you should switch to high beams when going uphill to increase the illumination distance. When approaching the top of the slope, alternately switch between high and low beams to alert oncoming vehicles to yield. After reaching the top, switch back to low beams to prevent the lights from shining upward and increasing blind spots. When going downhill, the illumination distance becomes longer, but road clarity decreases. In this case, promptly alternate between high and low beams to observe changes in road conditions. Control vehicle movement: Downhill sections have less resistance, so ensure the vehicle's braking performance is good when going downhill. Avoid coasting in neutral; lightly press the brake pedal and use engine braking to reduce the vehicle's coasting speed. Maintain a following distance of at least 50 meters, and avoid sudden steering to prevent significant deviation that could lead to a rollover. Rules for meeting and overtaking vehicles: When meeting another vehicle, check if there is a yield sign on the roadside. If there is, yield according to the sign. If there is no yield sign, generally follow these rules when overtaking: large trucks yield to small cars, turning vehicles yield to those going straight, right-turning vehicles yield to left-turning vehicles, downhill vehicles yield to those starting uphill, obstructed vehicles yield to unobstructed ones, and vehicles on narrow new roads yield to those backing up. If encountering patrol cars, fire trucks, ambulances, or emergency engineering vehicles, always yield to these special vehicles.

[EleanorRose]

When driving uphill at night and approaching the crest, I usually switch to low beams. Why? Because the crest is a blind spot—once the car reaches the top of the slope, the view suddenly opens up. If you keep the high beams on, you risk blinding oncoming drivers, which could lead to an accident. I’ve experienced this myself once when I was lazy and didn’t switch the lights, nearly causing harm to others and myself—it gave me a cold sweat. So now I’ve made it a habit: whenever entering a slope, I slow down and switch back to low beams 2-3 seconds before reaching the top, while also checking the rearview mirror to ensure safety. By the way, different road conditions might affect the details—especially on mountain roads, be extra cautious. Keep your lights bright but not disruptive. Safety first—when driving at night, we must learn to anticipate dangers. Driving steadily is always the right move.

[LaJake]

Hey man, remember to switch to low beams when driving uphill at night until you reach the crest. Although high beams illuminate farther, they can dangerously blind oncoming vehicles or pedestrians that suddenly appear over the hilltop. Having driven many night mountain roads, I find manual control more reliable than auto systems – many cars have automatic headlight adjustment, but the system sometimes lags. My advice: switch early by slowing down to check road signs or navigation prompts, and switch back to low beams when you feel approaching the crest. This also saves power and reduces bulb wear. By the way, regularly checking your headlight brightness ensures safety.

[OliviaAnn]

To ensure everyone's safety, always use low beams when reaching the crest of a hill at night. This situation is like a trap—the hilltop blocks the view, and if there's an oncoming car, high beams can blind the other driver, potentially causing a collision. When teaching my kids good driving habits, I always emphasize: slow down early and adjust your lights. It's not just about protecting yourself, but also helping others. Stay extra vigilant when driving at night—don't let carelessness lead to trouble. Simply put, switch to low beams before the hill for a smooth and worry-free drive.