[header] How to make a purchase using a debit card [title] Present your debit card to the merchant. [step] You will need to have your debit card with you to make the purchase. Once the salesperson has rung your items or services through, they will ask you how you would like to pay. 
You should then present your debit card to the merchant for payment. [title] Swipe your card through the point of sale machine.