Simply login to Online Banking or the EECU Mobile App; under “Credit & Debit Cards” select “Card Controls & Alerts,” select your card, and then set your card On/Off preference. If you have misplaced your card, turn it to the OFF position. If you find it, and feel your account has not been jeopardized, turn it back ON and continue to use your card. If you use your card infrequently or are traveling without your card, turn it OFF. Then, turn it ON when you are ready to use it. More details