Where to Install ETC in the Car?

[LeEthan]

The installation position of ETC for small cars is generally in the upper middle part of the front windshield, while for large vehicles such as trucks and buses, it is installed 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 factory-installed or aftermarket explosion-proof film, which may affect the signal transmission of the microwave communication link, the ETC should be installed in the microwave sunroof strip. ETC is the abbreviation for Electronic-Toll-Collection, meaning electronic toll collection system. To apply for ETC, the vehicle owner needs to provide original and photocopied documents of their valid ID card and vehicle registration certificate. If the application is made 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. A bank card for deducting highway tolls is also required, and the vehicle must be registered under the name of an individual aged between 18 and 60. 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 inclination angle of the windshield, which can reduce the driver's field of vision. If the ETC is installed without considering this, it may increase the driver's blind spot. Installing it behind the rearview mirror on the right side 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 for self-charging. Therefore, during installation, avoid the black areas on the windshield and positions that may block the solar panel. Do not remove it arbitrarily once installed: 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 the tag is removed arbitrarily, the lever will pop out and trigger the switch, locking the electronic tag and making it unusable. In this case, 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 in front to avoid automatic toll payment for the front 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. When using a debit card linked to ETC, insufficient balance may also cause toll deduction failure.

[DelJayla]

As a seasoned driver who frequently travels on highways, let me share some insights about the optimal placement of ETC devices in cars. Typically, the ETC device is mounted on the inner side of the windshield, right behind the rearview mirror area, as this spot ensures the best signal reception without interference from the vehicle body. I once installed it on the side, which caused frequent failures at toll booths until I relocated it to the center position for stable performance. During installation, first clean the glass thoroughly to remove any grease, then align and stick the device properly. There's a card inside the device—make sure not to block it, as this could lead to issues with recharging or fee deductions. I recommend that beginners avoid DIY installation and seek professional assistance to prevent future hassles. Also, ensure the device stays fixed in place; any movement might trigger system errors. I learned this the hard way when I casually adjusted mine and had to spend hours reactivating it. In short, the central position is the most reliable—it doesn’t obstruct your view and provides peace of mind while driving.

[PhoebeMarie]

I do some minor car repairs, and ETC devices are usually installed on the upper part of the windshield inside the car, typically right above the driver's seat or on the passenger side, so the signal antenna can clearly connect with roadside equipment. When installing, choose a clean and smooth area, avoiding spots with metal coatings or heating wires, as these can weaken the signal. I've installed it a few times myself and found that placing it too high might cause glare and obstruct the view, while too low can affect recognition. It's best to use dedicated adhesive to secure it firmly, preventing daily bumps from loosening it. Also, the device has a sensor card inside—make sure no dust blocks the card slot, or it won't be detected at toll stations, which would be awkward. I recommend checking the card balance and device status regularly; a simple wipe with a dry cloth is enough. If it frequently malfunctions, try relocating it. The placement is designed to minimize electromagnetic interference—engineers are really smart, positioning it centrally for both convenience and efficiency.

[VanAustin]

I haven't been driving for long, and I was also curious about the ETC installation location when I first got it. The technician told me to stick it on the inside of the windshield, right next to the rearview mirror area, where the signal is strong and safe. The installation is simple: clean the glass, align it, and press firmly—just don't move it afterward, or you'll need to reactivate it. The advantage is that it doesn't obstruct your driving view and enables automatic toll deduction. I also picked up some related details, like avoiding installation on glass with black dots, as it may weaken the signal. New drivers, take note: don't install it in high-temperature areas, such as the dashboard, to prevent overheating damage. Once properly installed, passing through toll stations becomes much smoother, saving both hassle and time.