How Long Does It Take for a Car Battery to Drain If the Lights Are Left On?

[OBennett]

The time it takes for a car battery to drain if the lights are left on depends on the specific situation: 1. For small lights with low power consumption, it takes about one night; 2. For two car lights, it takes about 8 hours; 3. For front LED headlights, it takes about 14 hours. The correct method for using car lights is: 1. Turn the left light control switch forward one notch for small lights; 2. Turn it forward two notches for low beams; 3. Push the light control lever forward once for high beams; 4. Lift the light control lever forward once for the right turn signal. Precautions for using car lights include: 1. Turn on low beams when driving at night; 2. Do not use high beams when driving closely behind another vehicle in the same direction; 3. When passing sharp curves, slopes, arched bridges, crosswalks, or intersections without traffic lights at night, alternate between high and low beams to signal.