1) Go to the Surfline homepage.
2) Make sure you are logged in. Click on Subscriptions in the dropdown under your name.
3) To update a current card:
Click the small black arrow to the right of the card number.
Then click UPDATE. Fill in the new expiration date for your credit card.
4) To add a new card:
Click the ADD NEW CREDIT/DEBIT CARD button to add a new card. After adding the new card, make sure to confirm your Default card, or to delete the old card, if need be. As long as your auto-renewal is active, your subscription will renew on the card that you set as Default. If your account is currently expired and you would like directions on how to renew, click here.