1. From the main screen, tap the "Rewards" icon on the top right or from the main menu
2. In the "Rewards" page, tap "Enter Coupon Code"
3. Enter the promo code that you have received
4. If valid, the discount should appear under "Corporate discounts" on the same page. Tap on it to navigate to the "Rates & Passes" page
5. From the "Rates & Passes" page, tap on the discounted pass to complete your purchase