POS User Guide Loyalty and Gift Cards Performing a Coupon Inquiry Performing a Coupon Inquiry (Optional) Begin a check and add items. Navigate to the gift and loyalty screen, and then select the function key to look up coupons. Swipe the card or enter the loyalty account number. A list of available coupons appears. If a check is open, select a coupon to redeem. If a check is not open, click Yes to print the coupon. Parent topic: Loyalty and Gift Cards