Is car film generally applied on the inside or outside?

[DeGideon]

Car film is generally applied on the inside. Car film refers to a thin layer of material applied to the front and rear windshields, side windows, and sunroof of a vehicle. It can block ultraviolet rays, reduce heat, and prevent injuries caused by sudden glass shattering. Additionally, it serves to protect personal privacy by utilizing the one-way visibility feature of the film. The methods for inspecting car film after application are: 1. Check for dirt and debris between the film and the glass on the exterior of the car; 2. Ensure there are no folds, water bubbles, air bubbles, or surface scratches on the film; 3. From inside the car, observe outward to confirm there are no noticeable gaps allowing light between the film and the window edges, no signs of water squeezing, water ripples, or heat gun marks on the film surface.