ETC credit card (debit card), like ordinary credit card (credit card), can only be overdrawn if there is a limit in the card. When there is no limit in the card, ETC credit card (credit card) cannot be used. Of course, generally speaking, ETC credit cards (debit cards) must have a credit limit unless they are used up. Or the card is controlled by the wind, and the system withdraws the quota, resulting in a quota of 0. At this time, ETC credit card (debit card) may also have no limit.

Therefore, if you want to use ETC credit card (debit card) normally, you must ensure that there is an available amount in the card.