Can yellow warning lights be installed on ordinary vehicles?

2 Answers
LaHaven
07/29/25 3:04am
Yellow warning lights cannot be installed on ordinary vehicles. Relevant regulations: Different types of vehicles have specific regulations for warning lights. For example, fire trucks are required to use red flashing lights to alert pedestrians, ambulances use blue flashing lights, and police vehicles use red and blue flashing lights. Therefore, private cars are generally not allowed to install colored flashing lights, as it constitutes a traffic violation. All the aforementioned colored flashing lights are specialized equipment exclusively for public security departments. No one is permitted to install or use them privately unless under special circumstances or for specific vehicle types. In such cases, users must submit an application to the public security department for approval before installation and use.
Was this review help?
19
4
Share
StKai
08/12/25 6:57am
From the perspective of ordinary car owners' practical use, installing yellow warning lights on regular private vehicles can cause many problems. Traffic regulations clearly stipulate that only special operation vehicles such as engineering rescue vehicles and road maintenance vehicles are allowed to use yellow warning lights. Installing them on ordinary passenger cars constitutes illegal modification. I once saw someone secretly install these lights in a car enthusiast group, only to be caught by traffic police on the spot. Not only did they have to remove the lights immediately, but they were also fined 500 yuan. What's more troublesome is that such behavior can affect annual vehicle inspections. If the inspection fails, you'll have to go through the hassle of filing with the vehicle management office, making it not worth the trouble. Instead of risking installing illegal warning lights, it's better to check your vehicle's original hazard lights. Using hazard lights in emergencies is both legal and safe.
Was this review help?
18
4
Share
Expand All
More Forum Discussions

What to Do When the Trunk Won't Open Due to a Dead Battery?

First, use the mechanical key to locate the door handle on the driver's side and open it with the mechanical key. After opening the door, there is a lever below the driver's compartment; pull it down to open the hood. Seek professional help or use a nearby vehicle to jump-start the car. After jump-starting, do not turn off the engine; keep the power on and then open the trunk.
12
4
Share

What is the real fuel consumption of the RAV4 2.5 4WD?

RAV4 2.5 4WD has a combined fuel consumption of 5L/100km. There are currently 2 models of RAV4 2.5 4WD available for sale: the 4WD Elite PLUS version and the 4WD Flagship version, both with a fuel consumption of 5L/100km. The above figures are NEDC combined fuel consumption, which is the comprehensive fuel consumption data measured under the NEDC test procedure. The real fuel consumption is higher than this value, around 10L. The fuel consumption of a car is directly related to five major factors: driving habits, the car itself, road conditions, natural wind, and environmental temperature. Specific factors that increase fuel consumption are as follows: Driving habits: Aggressive driving, such as sudden acceleration, frequent overtaking, and not releasing the throttle in advance when approaching a red light, will increase fuel consumption. The car itself: Cars with larger displacement generally consume more fuel than those with smaller displacement because larger displacement usually means higher power, requiring more gasoline for combustion. Heavier cars also consume more fuel because greater weight requires more driving torque. Road conditions: Driving on dirt roads, muddy roads, soft surfaces, or mountainous roads increases resistance and fuel consumption. Natural wind: Driving against the wind or on windy days increases car resistance and fuel consumption. Low environmental temperature: When the engine block temperature is low, the injected gasoline is less likely to atomize during cold starts, requiring more gasoline for combustion, thus increasing fuel consumption. Additionally, at low temperatures, the engine computer controls the engine to run at higher RPMs to warm up, which also increases fuel consumption.
8
2
Share

What is the difference between Geely BMA and CMA?

Difference lies in the developers: The CMA architecture was jointly developed by Geely and Volvo, while the BMA architecture was independently developed by Geely Auto. Below are the relevant introductions: 1. BMA: The BMA architecture has four major characteristics, namely supporting multiple types of R&D, high space utilization, compatibility with various powertrains, and excellent safety. 2. CMA: The CMA architecture is primarily used for developing compact models, capable of meeting the R&D needs of various vehicle types from A-segment compact cars to B-segment SUVs. Inheriting the safety performance of Volvo's SPA architecture, renowned as the 'world's safest,' vehicles built on this architecture are highly secure in terms of safety.
3
1
Share

Is a Little Water in Engine Oil a Serious Issue?

It must be replaced to prevent oil emulsification. 1. Identification: Water-free engine oil appears semi-transparent with a shiny texture; when water is present, the oil will emulsify, turning milky white with foam. In such cases, to prevent engine damage, the engine needs to be cleaned and the oil replaced. 2. Small Amount of Water in the Cylinder: In some situations, the engine may still start if the water intake is minimal, and the owner might not notice. If the owner continues to drive under these conditions, the piston may seize in the cylinder, causing the connecting rod to bend or break, or even puncture the cylinder directly. Such an engine might require major repairs or become scrapped, leading to aftereffects like shaking, reduced power, and malfunctions.
17
3
Share

Is the Geely Boyue really fuel-consuming?

Geely Boyue has a relatively higher fuel consumption compared to other vehicles in the same class. Here is a detailed introduction about the vehicle's fuel consumption per 100 kilometers: 1. Overview: The fuel consumption per 100 kilometers refers to the amount of fuel consumed by a vehicle traveling 100 kilometers on the road at a certain speed. It is a theoretical indicator of the vehicle. The fuel consumption per 100 kilometers is a value obtained by the manufacturer in an objective environment, using a dynamometer installed on the vehicle's chassis to measure and convert it into speed parameters, then driving at the specified speed to calculate the theoretical experimental fuel consumption data per 100 kilometers for the model. 2. Others: Since most vehicles approach their economical speed at 90 kilometers per hour, the theoretical fuel consumption announced to the public is usually the fuel consumption per 100 kilometers at 90 kilometers per hour.
14
3
Share

What Does Abnormal Engine Oil Level Mean?

Abnormal engine oil level indicates that the engine oil level is not normal. You can check the oil level through the system or the oil dipstick, and choose to add or drain the oil. Here are some related introductions: 1. Oil dipstick: In cars, the dipstick is a commonly used measuring tool to check the amount of lubricating oil in the oil hole. Since the dipstick insertion hole has a curved path, the deformation of the dipstick during insertion must be able to rebound and restore when pulled out. 2. Function of engine oil: Engine oil, also known as engine lubricant, with the English name: Engine oil. Its density is approximately 0.91*10³ (kg/m³). It serves to lubricate and reduce friction, assist in cooling, seal against leaks, prevent rust and corrosion, and act as a shock absorber for the engine. It is hailed as the 'blood' of the car. Engine oil consists of two parts: base oil and additives.
10
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.