What lights should be used when passing a hump bridge slope?

[AaliyahDella]

Use high and low beams. When a motor vehicle passes a sharp curve at night, it should first slow down and sound the horn as a warning, while alternately using high and low beams to signal. Extended information is as follows: 1. Motor vehicles should use turn signals according to the following regulations: 1. When turning left, changing lanes to the left, preparing to overtake, leaving a parking spot, or making a U-turn, the left turn signal should be activated in advance; 2. When turning right, changing lanes to the right, returning to the original lane after overtaking, or parking by the roadside, the right turn signal should be activated in advance. 2. Regulations on when motor vehicles should use high and low beams to signal: When a motor vehicle passes a sharp curve, slope, hump bridge, crosswalk, or an intersection without traffic signal control at night, it should alternately use high and low beams to signal. 3. Situations requiring horn signals: When a motor vehicle approaches a sharp curve, the top of a slope, or other sections where visibility is limited for safety, or when overtaking or encountering an emergency, it should slow down and sound the horn as a warning.