
When driving during the day, you can turn on the daytime running lights. If encountering adverse weather conditions, you may activate the fog lights. Many vehicles are equipped with daytime running lights, which typically illuminate automatically once the car is powered on, requiring no manual control from the driver. Relevant information about vehicle lights is as follows: 1. Introduction: Vehicle lights refer to the lamps on a vehicle, serving as tools for road illumination during nighttime driving and as signaling devices for various vehicle movements. 2. Reverse Lights: Reverse lights automatically turn on when the driver shifts into reverse gear. These white, transparent lights primarily serve to alert vehicles behind that the car is reversing.

When I first started driving, I didn’t understand the need to turn on the lights during the day. But after a few long-distance trips, I got it. Even with good visibility, you should still turn on your lights, especially on highways or in rainy or foggy conditions—it makes you more noticeable in others’ rearview mirrors. Many cars nowadays come with automatic daytime running lights that turn on when you start the engine. If your car doesn’t have this feature, manually turning on the parking lights will do—just make sure it’s not the high beams. In extremely bright sunlight, using low beams can actually be safer, particularly when entering or exiting tunnels. Remember, turning on your lights isn’t just for you to see the road—it’s to help others spot you earlier, reducing the risk of being cut off or rear-ended.

Previously driving a truck for transport, an experienced driver taught me the trick of turning on lights during the day: always turn on lights in tunnels and on bridges, and turn them on early when driving through mountainous areas or curves. Now, driving my own car, I've developed the habit of turning on the parking lights as soon as I start the car—just make sure a green indicator light on the dashboard is on. Use low beams on cloudy or rainy days, and fog lights must be turned on when visibility drops below 100 meters. Never turn on the rear fog light casually, as its glaring red light can distract drivers behind. Some cars come with automatic lighting, which is quite handy—lights turn on automatically when passing under shade. After adopting this habit, I’ve noticed that other drivers are more willing to yield when I change lanes.

Daytime headlight usage primarily considers two aspects: safety and regulations. Traffic laws explicitly require headlights to be turned on when entering or exiting tunnels, and low beams must be used during rain, snow, or haze. I prefer to activate the auto mode upon starting, letting the vehicle decide automatically. Under current EU standards, daytime running lights (DRLs) are mandatory for new vehicles, while older cars can be retrofitted with light strips. Remember to regularly inspect lighting performance and replace yellowed lamp covers promptly. Some drivers worry about power consumption, but modern LEDs have minimal energy draw. Actual tests show that driving with lights on reduces collision rates by 26%, especially for silver-colored vehicles on overcast days.

Last time I encountered fog clusters on Qingcheng Mountain, I truly understood the importance of turning on lights during daytime. On sunny days, driving with daytime running lights is sufficient on highways, but in rainy conditions, low beams are a must. For modified cars, be aware that colored daytime running lights might not pass annual inspections. From my personal experience: use low beams at dawn and dusk, and turn on fog lights plus hazard lights during heavy rain or typhoons. Remember to check your rear license plate light—many rear-end collisions occur because following drivers can't clearly see the front car's license plate. Traffic regulations are getting stricter nowadays; in Zhejiang province, you can even get penalty points for not turning on lights while driving on highways. My suggestion is to simply turn the light knob to AUTO mode when starting the car for maximum convenience.

Our fleet's long-distance driving rule is to turn on the lights as soon as the engine starts. Use daytime running lights or position lights on sunny days, and low beams on cloudy days. Key point: check the dashboard – the blue high beam indicator must never be lit. Turn on lights 3 seconds before entering tunnels and wait 5 seconds after exiting before turning them off. Modified lighting users take note: strobe lights are illegal. Daytime lights don't need to be bright, just ensure outline visibility. Older vehicles are recommended to install daytime running light modules – it's just about 100 yuan. Tests show vehicles with lights on are detected at least 2 seconds earlier, with braking distances shortened by over 3 meters.


