
No, they won't check because the area of roof film is relatively small. Here is some relevant information about car film: 1. Reason for black film: Black film is applied to the roof to imitate performance cars. Many performance cars have black roofs because they use carbon fiber roofs to reduce body weight, and carbon fiber itself is black. Applying film to the roof can enhance the car's visual effect. 2. Film selection standards: If you want to apply black film to the roof, be sure to choose genuine products from major brands and have it installed by a professional shop, otherwise the result will be poor. If you no longer want it, you must go to a professional shop to have it removed by experts using professional tools to avoid damaging the car paint.

I've personally experienced issues with roof film before. I applied a dark film to my small car, thinking it would provide sun protection and look good. However, not long after hitting the road, I was pulled over by traffic police for inspection. They said the film's light transmittance was too low, constituting illegal modification, and required on-the-spot testing. Regulations stipulate that light transmittance must exceed 70%, otherwise it affects driving safety, especially making it hard to see road conditions at night or in rainy weather. After receiving a verbal warning that time, I quickly replaced it with a light-colored film, wasting money in the process. I recommend measuring the light transmittance before applying film, preferably getting it tested at a正规店 to avoid inspections. Also, regularly checking your vehicle's condition is a good habit to prevent similar troubles. Overall, traffic police don't check frequently, but if your film exceeds standards, you'll definitely get caught in random inspections.

I have studied the relevant traffic regulations, and whether roof film is inspected mainly depends on compliance. According to the Road Traffic Safety Law, vehicle appearance modifications must not alter the main body color or identification features of the vehicle, and the light transmittance of the film must be higher than 70%. Otherwise, it will be considered an illegal modification. During routine patrols, traffic police conduct random checks. If the film is too dark or highly reflective, making it difficult to identify the license plate or affecting visibility, the vehicle is likely to be stopped and penalized. The penalty is usually a fine of around 200 yuan and immediate removal of the film. It is recommended to choose qualified film and consult professional institutions before installation to ensure compliance, which can significantly reduce the risk of inspection. Additionally, post-installation is crucial—replace aged or damaged film promptly to maintain safe driving.

From a safety perspective, I always remind my friends that improper roof film application can indeed draw attention from traffic police. While dark films provide shade, their low light transmittance can impair visibility, such as making it hard to see rearview mirrors at night, increasing accident risks. Traffic police checks are mainly precautionary to prevent potential hazards. Personally, I've driven a similar car and opted to change the film when I felt visibility was compromised. If the film complies with regulations and has sufficient light transmittance, it's generally fine. But don't take chances, as in case of an accident due to non-compliant film, the responsibility falls entirely on the owner. Safety first—choosing a light-colored, high-transmittance film is the wisest. Regularly check your vehicle's condition to ensure it doesn't affect others' driving.

A friend of mine got fined and complained after being checked, mistakenly thinking that applying film on the car roof was a trivial matter that no one would care about. However, the traffic police said that if the light transmittance is less than 50%, they would impose a fine and require removal. The key issue is misunderstanding the standards—only films with a light transmittance of over 70% are considered safe. If the film is too dark and affects vehicle identification, the police will check, especially at urban intersections or highway toll booths. My personal advice is not to cut costs by choosing inferior films. Before applying, have it tested at the shop to ensure compliance. Additionally, if the film ages, replace it promptly, as reduced transmittance makes it more likely to be fined. Simply put, compliant films generally avoid checks, but exceeding the standard means you won’t escape scrutiny.

To avoid getting your roof wrap inspected by traffic police, my advice is to choose high-transparency film and test it beforehand. A light transmittance of over 70% is the strict standard—have it measured at a professional shop to prevent future issues. If you install non-compliant film, you’re more likely to be randomly checked on the road, especially during peak traffic hours when officers focus on vehicle appearance compliance. If caught, you may face a 200-yuan fine and mandatory removal, wasting time and money. I recommend consulting experienced when applying wraps—don’t compromise safety for cheap options. Additionally, regular vehicle maintenance, including checking the wrap’s condition, is crucial. Maintaining clear visibility helps reduce risks. In short, compliance almost guarantees no inspections, so prioritize safe driving.


