Sign in to your Hilton Honors Dining account, then:
- Under “Account center,” click “linked cards.”
- Find the “Link more cards” section near the bottom of the page, enter the card number you’d like to add, then click “Link card.”
- Under “Account Center,” tap “linked cards.”
- Find the “Link more cards” section near the bottom of the page, enter the card number you’d like to add, then click “Link card.”