–If you’re new to Uber you can signup via this referral link. Existing users can go to the promotion field in the Uber app or they can click here and enter the following code: NYC code: CARFREENYC17 NJ code: EARTHDAYNJ17 Valid for $15 off your first UberPool ride until 4/30 at 11:59pm EDT. HT: davidmal, via DDF -The Chase Want to continue reading this post? Click here!