Should I Apply the Car Film Provided by the 4S Store?

2 Answers
JohnnyDella
07/24/25 11:00pm
Most of the car films provided by 4S stores are low-cost, inferior quality films. If you are not too particular, you can accept the film offered by the 4S store. If you have some standards, you might consider paying extra to upgrade to a better film. Some so-called "original factory films" from 4S stores are essentially just plastic sheets with no heat insulation effect, strong odors, and excessive formaldehyde levels. They may bubble up within a few months, and removing them can leave behind a lot of difficult-to-remove adhesive. Below are some precautions to take after applying the film: 1. Do not roll down the windows: After applying the car film, avoid rolling down the windows for a week. In most cases, the car film takes 5-7 days to fully adhere to the window. During this period, try not to roll down the windows to prevent the film from shifting before it is completely bonded. 2. Do not wipe: Avoid wiping the film for a week after application. Newly applied films may develop fogging, which is a normal part of the drying process. This condition usually lasts for about a week to half a month. Simply wait for the fogging to disappear naturally and avoid wiping it. 3. Avoid using sharp or hard tools to scrape: After applying the car film, never use sharp or hard tools to scrape it. If you accidentally do so, the transparency of the film will be significantly compromised.
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VonMary
08/10/25 3:13pm
As a seasoned driver with ten years of experience, I once accepted the free window tint offered by the 4S dealership when I bought my last car, thinking it would save me time and money. However, during summer, the car interior turned into a sauna due to poor heat insulation, and the tint also impaired my driving visibility. Later, I learned that this film had low light transmittance and was prone to bubbling. I advise against blindly accepting free tints—always check parameters like UV blocking rate and safety standards first. If they don’t meet the mark, it’s better to invest in a high-quality product. While tinting can protect your car’s interior from sun damage and prevent seat aging, choosing the wrong film introduces risks. So, I recommend negotiating with the dealer to exchange or pay the difference for an upgrade, ensuring it doesn’t compromise nighttime driving safety. This reminds me that selecting window tint is like choosing safety accessories—don’t cut corners at the expense of safety.
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