Does installing ETC affect window tinting?
2 Answers
Installing ETC does not affect window tinting. You should apply the window film first and then install the ETC device, ensuring to leave a designated area for the ETC device during the tinting process. It is recommended to install the ETC one week after applying the window film to prevent partial peeling of the film. The ETC device is typically installed in the upper left corner of the driver's side windshield or behind the rearview mirror. ETC (Electronic Toll Collection) is an automatic toll system used on highways or bridges. It works through short-range communication between an onboard electronic tag installed on the vehicle's windshield and a microwave antenna in the ETC lane at toll stations. The system uses computer networking technology to process transactions with banks, allowing vehicles to pass through highway or bridge toll stations without stopping to pay fees.
Installing an ETC device does affect window tinting, primarily depending on the installation location. In my own car, the tint was applied first, then the ETC was installed. The technician specifically adhered the device to the dotted black area at the top of the windshield, which isn't covered by tint anyway. If done in reverse (ETC first, then tint), you'd either need to remove and reinstall the device (risking damage when peeling the tint) or end up with a hole in the film. Most critically, ETC units attached directly to tint film tend to detach easily - mine fell off several times during hard braking. I recommend choosing a non-visibility-obstructing location. Note that metallic films interfere with ETC signals, so ceramic or nano films are preferable. Avoid high-pressure washing directly at the adhesive area during car washes, and generally you shouldn't encounter issues.
