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What is the best location to install an ETC device in a car?

1 Answers
DiVincent
07/25/25 4:28am
For small cars, the ETC device is generally installed in the upper middle part of the front windshield. For large vehicles such as trucks and buses, the installation location is in the lower middle part. The appropriate installation position should be 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. If the vehicle has or will have a blast-resistant film, it may affect the signal transmission of the microwave communication link, so the device should be installed in the microwave sunroof strip. ETC stands for Electronic-Toll-Collection, which is an electronic toll collection system. To apply for an ETC device, you need to provide the original and photocopies of the vehicle owner's valid ID card and vehicle registration certificate. If the application is not made by the owner, the agent'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 required, and the vehicle must be registered under the name of an individual aged between 18 and 60. Here are some precautions for installing an ETC device: Do not obstruct the driver's view; it is best to install it behind the rearview mirror: Many car models have windshields with a large rearward tilt, which can reduce the driver's field of vision. If this is not considered during ETC installation, it may increase the driver's 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 because it has a solar panel on the back that can charge itself. 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 will press the anti-tamper lever in. If the device is removed arbitrarily, the lever will pop out and trigger the switch, locking the electronic tag and 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 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 ahead to avoid automatic toll deduction for the wrong vehicle. The recognition speed for ETC lanes is 20 kilometers per hour; driving too fast may result in failure to read the vehicle's device information, leading to toll deduction failure. If a debit card is bound to the ETC, insufficient balance may also cause toll deduction failure.
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