What are the reasons for insufficient brightness of headlights?

1 Answers
MacCayden
07/30/25 4:08am
Reasons for insufficient brightness of headlights: 1. Short circuit in the power line of the headlight, burnt filament, or blown fuse; 2. Poor contact or closure of the bimetallic strip in the headlight switch; 3. Damage to the headlight switch. Fault diagnosis and troubleshooting should first determine the diagnostic scope, and then probe according to the circuit sequence of the lighting system to identify any open or short circuits. Car headlights, also known as car headlamps or car LED daytime running lights, serve as the eyes of the car. They are closely related to safe driving at night or under bad weather conditions. In daily driving, it is essential to use headlights properly to ensure driving safety. The use and maintenance of car lights should not be overlooked.
Was this review help?
2
3
Share
More Forum Discussions

What is the standard pressure for car air conditioning?

The standard pressure for car air conditioning is as follows: 1. The normal high pressure should be within 1.3-1.7MPa (13-17kg/cm2 or 190-250Lbf/in2); the normal low pressure should be within 0.15-0.25MPa (1.5-2.5kg/cm2 or 20-35Lbf/in2). 2. In idle conditions, if the ambient temperature is high, such as under direct sunlight in summer, the high pressure may be slightly higher, up to about 2.5~2.8MPa, but generally should not exceed 3.1MPa. If the low pressure is higher or lower than this range, it indicates that the expansion valve is not regulating properly.
10
5
Share

How to Turn on the Fog Lights of Volkswagen Tayron?

To turn on the fog lights of Volkswagen Tayron, follow these steps: 1. First, rotate the knob to the position of the position lights, then pull it out once to turn on the front fog lights. 2. Pull it out again to turn on both the front and rear fog lights. Rotate the knob back to the off position to turn off the fog lights. There are two methods to operate car fog lights: 1. Button-operated fog lights: There is a fog light button near the dashboard marked with a fog light symbol. After turning on the lights, press the front fog light button to activate the front fog lights; press the rear fog light button to activate the rear fog lights. 2. Rotation-operated fog lights: The light control lever is located under the steering wheel or near the left-hand side air conditioning vent, and the fog lights are activated by rotation. Turn the button marked with the fog light symbol to the ON position to activate the front fog lights, then turn the button downward to the rear fog light position to activate both the front and rear fog lights simultaneously.
5
4
Share

What to Do About Audi Q5 Burning Engine Oil?

Audi Q5 burning engine oil can be addressed primarily through the following two methods: 1. Disassemble and repair, replacing the worn components. Although this involves a higher one-time cost, it ensures durability, reliability, and the restoration of vehicle power. 2. Use additives, but this is only a temporary solution. If you do not plan to change the car, relying on additives is not recommended. Below are the reasons why Audi Q5 burns engine oil: (1) Improper selection of air filters, oil filters, or engine oil, leading to insufficient purification of gas impurities entering the cylinder. Various dust particles enter the cylinder, accelerating cylinder wear. (2) Excessive addition of engine oil. (3) Incorrect ignition timing, either too early or too late. This can cause knocking, raising the engine temperature, and in severe cases, may lead to piston separation or cylinder block failure.
7
5
Share

Does the GAC GS8 have a 5-seater version?

The new GAC GS8 does offer a 5-seater variant. Its design primarily features the following two aspects: 1. The exterior exudes an imposing presence with highly distinctive design elements across all aspects. The linear daytime running lights and fog light design are exceptionally fashionable and avant-garde, creating a dazzling effect when illuminated at night. The precise body lines are meticulously arranged, appearing smooth yet powerful, giving the vehicle a robust appearance. The wheel design also emphasizes sportiness, complemented by abundant sporty exterior kits. The dual large-area exhaust pipes at the rear further enhance the vehicle's dynamic and powerful character. 2. Under the hood, it is equipped with a 2.0T turbocharged engine paired with a 6-speed automatic transmission. The wraparound cockpit design enhances the sense of spaciousness, while the dashboard and door interiors are generously wrapped in soft-touch materials.
11
1
Share

Can a car pass the annual inspection with a small spoiler added?

Adding a spoiler to a car will not pass the annual inspection. During the annual inspection, the vehicle will be checked for any modifications, alterations, or transformations, and whether the vehicle's registration, license plate, and vehicle records match the actual condition of the car, including any changes. Unless the vehicle modifications, alterations, or technical transformations have not undergone the required approval and modification procedures. Below are some relevant details about vehicle annual inspections: 1. For small and micro non-operational passenger vehicles, inspections are required every 2 years within the first 6 years, annually after 6 years, and every 6 months after 15 years. If a vehicle fails to undergo the required safety technical inspection within the specified period, the public traffic management department may issue a warning or impose a fine of up to 200 yuan. In other words, failing to complete the inspection on time is illegal. 2. Vehicles must regularly pass exhaust emission tests, as well as inspections for exterior appearance, lights, brakes, chassis, etc., and must have no outstanding traffic violations to receive the inspection compliance mark. Before the inspection, it is advisable to keep the vehicle clean, ensure the tires are free of mud, and especially make sure the light covers are clean. Any outstanding traffic violations in the vehicle's usage location must be resolved in advance.
3
1
Share

How to Use Cruise Control in a Car?

Steps to use cruise control in a car: 1. Locate and press the cruise control button on the steering wheel; 2. When the car reaches the desired cruising speed, press the set button downward; 3. After setting the cruise control speed, you can press the button upward or downward to fine-tune the cruising speed; 4. While using cruise control, always pay attention to road conditions. When the cruise control function is activated, you can press the accelerator to make the speed reach or exceed the lower limit of the cruise control speed. After confirming the activation of the cruise control function, the engine fuel will be automatically supplied to meet the power demand for the current speed.
19
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.