How to Check if ETC is Working Properly?

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To check if the ETC is functioning properly, follow these steps: 1. Inspect the ETC card and electronic tag for any damage. Press the anti-tamper button on the back of the OBU; a red light should briefly illuminate, and the LED screen will display messages such as 'Label Invalid' or 'Please Insert Card,' indicating the device is functioning normally. 2. If the ETC screen is not displaying properly or there is no response when pressing the top button, it may be out of power. In such cases, take it to the bank where the ETC card was issued or to a highway service center for testing. The advantages of ETC include: 1. Time-saving, eliminating the hassle of waiting in queues; 2. Environmentally friendly, as vehicles pass through toll stations without stopping, reducing noise and exhaust emissions, thereby minimizing pollution.