Can ETC be placed in front without installation?

[DiVincent]

ETC can be used without being attached to the windshield. Installing ETC on the upper part of the windshield is to minimize obstruction of the driver's view and to ensure better recognition by the equipment at highway toll stations. If you don't want to install it on the windshield, try to place it in an open area where it can be seen through the windshield. For small cars, the ETC installation position is generally in the upper middle part of the front windshield, while for large vehicles such as trucks and buses, the installation position is in the lower middle part. The suitable installation position should be no lower than 1.2 meters and no higher than 2.5 meters, with an installation angle between 30 and 90 degrees. For vehicles with anti-explosion film or those that have been retrofitted with anti-explosion film, which may affect the signal transmission of the microwave communication link, it should be installed in the microwave skylight zone. Here are some precautions for installing ETC: Do not obstruct the view; it is best to install it behind the rearview mirror: Many car models have a large rearward tilt angle of the windshield, which reduces the driver's field of vision. If ETC is installed without considering this, it will increase the driver's blind spot. Installing it behind the rearview mirror on the right side can 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 solar panel on the back that can charge itself. Therefore, when installing, avoid the black 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-removal rod, connected to a switch below. After the electronic tag is installed, the windshield will press the anti-removal rod in. If it is removed arbitrarily, the anti-removal rod will pop out and trigger the switch, locking the electronic tag and rendering it unusable. You will then need to go to an ETC service point to unlock it. This is designed to prevent multiple vehicles from sharing one device. When using ETC, note the following: The ETC transaction sensing range is 8 meters. To prevent the ETC device of the vehicle in front from malfunctioning, maintain a distance of more than 10 meters from the vehicle in front to avoid automatic sensing and payment for the vehicle in front. The speed limit for ETC lane recognition is 20 kilometers per hour. If the speed is too fast, the vehicle's device information cannot be read, leading to payment failure. When using a debit card to bind ETC, insufficient balance will also cause payment failure.