Because ETC is dedicated to special cars by default, there is a protection linkage when installing, which is estimated to be the back button. Once the button is triggered twice in a row, the ETC electronic tag will be invalid.
Solution:
Just take it directly to the bank that handles the card or the office of the expressway to reset it.
Extended information: Take ETC credit card of Agricultural Bank of China as an example. Agricultural Bank of China ETC owner credit card can realize electronic payment in MTC parking lanes and ETC non-parking lanes of expressways in networked provinces and cities across the country. The card adopts the method of "first pass, then pay", and the toll is automatically deducted from the ETC credit card of the Agricultural Bank of China, without pre-existing cash. Holding the ETC credit card of the Agricultural Bank of China, you can enjoy a 10% discount on the exclusive highway toll when the provinces and cities have been networked nationwide.
China Bank's ETC does not need to be recharged, and OBU equipment is delivered free of charge. As long as the user holds the ETC credit card of China Bank, the toll will be overdrawn and deducted directly from the credit card, enjoying interest-free for up to 50 days, and the highway toll will be as low as 10% discount.
Owners of CCB ETC trucks can enjoy such functional rights as preferential oil change points, preferential car washing service, free road rescue, Sinopec 1% refueling discount, etc. When the vehicle is equipped with OBU electronic tag, it can realize non-stop charging in ETC lane of national networked expressway, and enjoy a 15% discount when paying.
reference data
ETC_ Baidu encyclopedia