What to Do If the ETC Device Falls Off?

2 Answers
VanessaAnn
07/24/25 12:00pm
ETC needs to be reinstalled and reactivated after falling off. The installation process for the ETC device is as follows: Upon receiving the device, first check whether the ETC card and the electronic tag (OBU) are damaged. Press the anti-tamper button on the back of the OBU, and the red light will briefly turn on. The OLED screen will display "Tag Invalid" or "Please Insert Card," indicating the device is functioning properly. 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 installation position. Press firmly for 2-3 minutes to remove any air bubbles. Insert the ETC card with the front facing the driver and the back facing the windshield, ensuring the chip is inserted into the OBU device. Method to activate the ETC device: Insert and remove the ETC card twice consecutively until the electronic tag screen displays "Bluetooth On." If the screen shows "Tag Invalid" when inserting and removing the card twice without the tag attached, this is normal and does not affect activation. Alternatively, press the button on top of the electronic tag to enable Bluetooth directly. Turn on your phone’s Bluetooth and open the corresponding mobile app (usually a download QR code is provided on the electronic tag), then navigate to the device activation interface. Click "Connect Device" and wait patiently for the "Connection Successful" prompt. Once connected, upload a photo of the vehicle’s front to complete activation.
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TylerLee
08/11/25 6:09am
Hey, as someone who drives frequently, I've experienced my ETC device falling off before - it gave me quite a scare when it suddenly dropped on the highway. Remember, never slam on the brakes or get distracted when this happens. First, safely pull over to the emergency lane, then turn on your hazard lights. Most device falls are caused by aging adhesive or improper installation - check if the device is damaged and whether the screen still lights up. If it's intact, clean the windshield mounting area with a clean cloth and reattach it firmly using heavy-duty double-sided tape. If it falls off while driving, stop immediately to address it - never continue driving as it may obstruct your view or affect ETC functionality, which is dangerous. I always remind myself to check the device's mounting condition before driving - after all, driving safety comes first. I recommend purchasing shock-resistant ETC mounting tape for reinforcement to avoid such hassles on the road.
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