Can ETC be installed on the black dots of the windshield?

1 Answers
MacMaria
07/30/25 10:57am
The ETC device can be installed on the black dots of the windshield, as long as it does not obstruct the driver's view and can sense the detection equipment of the toll station. However, there are drawbacks to installing it on the black dots of the windshield, such as reduced solar charging capability of the ETC device, which may lead to power depletion over time. For small cars, the ETC installation position is generally in the upper middle part of the front windshield, while for large vehicles like 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 to 90 degrees. For vehicles with built-in or aftermarket explosion-proof film, which may affect the signal transmission of the microwave communication link, the ETC should be installed in the microwave window area. Here are some precautions for ETC installation: Do not obstruct the view; it is best to install it behind the rearview mirror: Many car models have windshields with a large rearward tilt angle, which reduces the driver's field of vision. If this is not considered during ETC installation, it can increase the driver's blind spots. Installing it on the right side behind the rearview mirror can avoid obstructing the view. Do not affect charging: The ETC electronic tag consumes power but generally does not require charging or battery replacement because it has a solar panel on the back that can charge itself. Therefore, during installation, avoid the black areas of the windshield and positions that may block the solar panel. Once installed, do not remove it casually: The button in the middle of the adhesive is an anti-removal lever connected to a switch. After the electronic tag is installed, the windshield will press the anti-removal lever in. If it is removed casually, the lever will pop out and trigger the switch, locking the electronic tag and rendering it unusable, requiring a visit to an ETC service point for unlocking. 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 paying for the vehicle ahead. The ETC lane recognition speed is 20 kilometers per hour; driving too fast may result in failure to read the vehicle device information, leading to payment failure. When using a debit card to bind ETC, insufficient balance may also cause payment failure.
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