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Why does ETC make sounds?

1Answers
DiAllison
09/07/2025, 03:30:04 AM

It is the alert tone from communication between the electronic tag and ETC device. Here are the reasons and functions of ETC sounds: Reasons: The beeping sound from vehicle's ETC device could be caused by unactivated new ETC equipment, low battery warning, improper installation under dark tint film leading to power failure, or ETC invalidation/device malfunction. Functions: Currently, expressway toll stations have dedicated ETC lanes. With a pre-paid sensor card installed on the windshield, drivers can pass through without stopping for manual payment - tolls are automatically deducted from the card, enabling fully automated toll collection. This significantly improves expressway transportation management efficiency and service quality.

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