What is the best position to install ETC on a vehicle?
2 Answers
ETC is best installed in the upper middle part of the front windshield for small vehicles such as cars and minivans; for large vehicles like trucks and buses, the lower middle part is optimal. The installation height for ETC should be no less than 1.2 meters and no more than 2.5 meters. Before installing ETC, clean the front windshield to ensure the surface is smooth, clean, and dry. Then peel off the adhesive backing of the OBU and attach it to the front windshield, pressing firmly for 2 to 3 minutes to remove any air bubbles. Unauthorized removal or movement of the OBU device, a dead battery in the OBU, or the ETC electronic tag falling off or becoming loose may cause the ETC electronic tag to fail. In such cases, you can take the ETC device to the bank where the ETC card was issued or to a highway service center for testing and reactivation.
When I installed my ETC device, I spent quite some time researching the most suitable location. The area on the inside of the windshield near the rearview mirror turned out to be ideal. It provides strong signal reception, allowing toll station antennas to detect it instantly, reducing delays at the gate. The position should be high and centered, not too close to the edges, to prevent glare from affecting visibility. I found the view perfectly clear while driving. Additionally, remember to clean the glass surface thoroughly before installation and secure it firmly to prevent loosening—you don't want it falling off. A well-chosen spot also helps avoid overheating damage to the device during hot summers, maintains a neat appearance without taking up space, and keeps the car looking tidy. I recommend consulting the manual or seeking confirmation from a professional installer to ensure correct placement and save hassle.
