What is the difference between position lights and clearance lights?

[ONolan]

Position lights and clearance lights are the same. Here is more information about position lights: 1. Position lights, also called clearance lights, refer to lamps installed at high points on the front and rear of a vehicle, similar to anti-collision lights mounted on aircraft wingtips. 2. They mainly serve to indicate a vehicle's width and height during driving in conditions like dusk, cloudy days, or rainy/foggy weather, helping drivers judge relative positions and vehicle sizes during encounters or overtaking. Typically, position lights are white at the front and red at the rear. Additional lighting types and functions include: 1. Brake lights: Warn following vehicles or pedestrians; 2. Turn signals: Alert surrounding vehicles and pedestrians.

[Simoes]

Having driven for over a decade, I often get asked this. Actually, position lights and clearance lights are the same thing—it's like one person having two names. Their main purpose is to let vehicles in front and behind see your outline at night or in foggy conditions. Those yellow or white lights on both sides at the front of the car are them. Traffic regulations clearly state that these lights must be turned on at night, otherwise you'll be fined. Once, I forgot to turn them on while driving at night, and seeing the dark outline of my car in the rearview mirror almost gave me a scare. Now, turning them on has become a habit as soon as I get in the car. Some new cars combine this function with daytime running lights, but the principle remains the same—to display the width of the car and prevent scraping accidents. Safety is the most important thing.

[StChristian]

Working at an auto repair shop, we often encounter car owners confusing these two names. Essentially, there's no difference between position lights and contour lights - both refer to those small bulbs installed at the corners of the bumper. Turning them on during bad weather helps others accurately judge your vehicle's width. Last year while repairing a female customer's car, we noticed her contour light bulb was burnt out but she hadn't paid attention. This nearly caused a rear-end collision when she changed lanes in the rain. Nowadays, some new models use LED light strips instead of traditional bulbs, but their function remains unchanged: making the vehicle's outline recognizable from 150 meters away. Remind everyone to regularly check these small lights - replacing a bulb only costs about 20-30 yuan.

[RobertLee]

Last week, I accompanied a friend to pick up a new car, and the salesperson pointed to the yellow light on the front of the car and said, 'These are the position lights.' Actually, the car manual might refer to them as width lights, and traffic police might call them marker lights, but their function is exactly the same. The most practical scenario for these lights is driving at dusk—when it's not completely dark but visibility is poor. Using headlights can be glaring, but not using any lights is dangerous; that's when position lights are just right. I make it a habit to turn them on at twilight, especially when the road is reflective in the rain—seeing my own light strip in the rearview mirror gives me a lot of peace of mind. Just remember the small green light symbol on the light switch knob, and never use headlights as a substitute.

[StAurora]

During the driving test, the instructor patted the steering wheel and said, 'Remember, the width indicator lights are the same as the contour lights!' Later, when I started working in transportation, I truly understood the importance of these lights. Both the tractor and trailer of a semi-trailer are equipped with these lights, which must be kept on when parked by the roadside at night. Their special design features low power consumption for prolonged use, making them energy-efficient and durable. Once, while driving on a mountainous road at night, I encountered a tricycle without any lights on a sharp curve. It was only thanks to the width indicator lights on the side of my vehicle that the rider saw me in time and avoided a collision. Currently, EU regulations require width indicator lights to be yellow or white, and China follows the same standard. Don't be fooled by modification shops into changing their color—the original factory design is the safest.

[DiMalia]

As someone who frequently pays attention to automotive safety features, I've noticed that position lamps (also known as side marker lights) are often the most overlooked. These lamps must be installed on both front and rear sides of the vehicle, with white lights at the front and red lights at the rear. Although they may have different names in various regions, they are uniformly referred to as position lamps in international standards. The illumination range is particularly important: the forward projection must extend at least 20 centimeters beyond the vehicle's width to prevent being obscured by guardrails on curves. I've seen some older vehicles with darkened lamp covers that fail to provide adequate warning. It's recommended to check the brightness every six months, especially for vehicles that frequently travel on highways.