Q. How do I sign up? Selli Valberg December 04, 2017 06:50 Follow A. You can either sign up at any of Chili’s or Sarpino’s restaurants. However, to redeem the points, you’ll need to activate your card at https://myrewards.myguestaccount.com/guest/ Related articles Q. What are the benefits & privileges for being a member of MY Rewards & Gift Card? Comments 0 comments Please sign in to leave a comment.