The ETC device is generally installed in the upper middle part of the front windshield for most vehicles, while for large trucks and buses, it is installed in the lower middle part. The recommended installation position is at a height of no less than 1.2 meters and no more than 2.5 meters, with an installation angle between 30 to 90 degrees. For vehicles with pre-installed or aftermarket explosion-proof film, which may interfere with microwave signal transmission, the device should be installed in the microwave sunroof strip. ETC stands for Electronic Toll Collection, an electronic toll system. To apply for ETC, the vehicle owner needs to provide a valid ID card and the original and photocopy of the vehicle registration certificate. If the application is handled by a proxy, the proxy's valid ID card is also required. The photocopy of the vehicle registration certificate should include the page with the most recent annual inspection stamp. Additionally, a bank card for deducting highway tolls is needed, and the vehicle must be registered under the name of an individual aged between 18 and 60. For company vehicles, the required documents include: An introduction letter from the vehicle owner (with company seal); a photocopy of the organization code certificate or business license (with company seal); the original ID card of the proxy; the original vehicle registration certificate; and the vehicle for which ETC is to be applied. Here are some installation considerations for ETC: Do not obstruct the driver's view; it is best to install it behind the rearview mirror: Many car models have a steeply inclined windshield, which can reduce the driver's field of vision. Installing the ETC device without considering this may increase blind spots. Installing it behind the rearview mirror on the right side can help avoid obstructing the view. Do not interfere with charging: The ETC electronic tag consumes power but generally does not require charging or battery replacement, as it has a built-in solar panel for self-charging. Therefore, during installation, avoid the blackened areas on the windshield and positions that may block the solar panel. Once installed, do not remove it arbitrarily: The button in the middle of the adhesive is an anti-tamper lever connected to a switch. After installation, the windshield presses the lever in. If removed arbitrarily, the lever will pop out, triggering the switch and locking the electronic tag, rendering it unusable. In such cases, you will need to visit an ETC service point to unlock it. This mechanism is designed to prevent multiple vehicles from sharing a single device. When using ETC, note the following: The ETC transaction sensing range is 8 meters. To avoid paying for the vehicle in front due to its faulty ETC device, maintain a distance of at least 10 meters. The ETC lane recognizes vehicles at a speed of 20 km/h; driving too fast may result in failed transactions due to unreadable device information. If using a debit card linked to ETC, insufficient balance may also cause transaction failures.
