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Continue to ChatTo pay the toll by RFID, you need to keep 5 meters away from the car in front of you, otherwise you will mistakenly help each other to pay the toll! https://lehleo.com/to-pay-the-toll-by-rfid-you-need-to-keep-5-meters-away-from-the-car-in-front-of-you-otherwise-you-will-mistakenly-help-each-other-to-pay-the-toll/