MichEd CardNav gives you full control over your MECU debit card. You can manage how, when and where your card is used. MichEd CardNav enables you to set controls regarding transaction types, geographic rules, and their merchant types where your cards can be used. Turn your debit card on or off in seconds. Perfect for safety, security and those scary moments when youre not quite sure where your card might be. Ensure you are the only person using your card. GPS capabilities can either limit where your card is used or assure its only able to be used when with you. Set dollar limits for transactions and receive alerts when those limits are being reached. Receive alerts when suspicious activity is suspected. Stop fraudulent activity before it even happens.