The article says they're offering both options. >Heated seats, for instance, cost ₩24,000 (roughly $18) per month. But you can also pay for a year subscription

The article says they're offering both options. >Heated seats, for instance, cost ₩24,000 (roughly $18) per month. But you can also pay for a year subscription ($176), a three-year subscription ($283), or you can buy the heated seats permanently ($406).