When you receive your coupon code, please:
Go to your profile, click on "Coupons and Referrals",
Type or paste your coupon code into the box.
Click the “Select or Submit” button. You should see the coupons active.
After that, rent the bike using the normal process.
Please check the amount of free rides and minutes your coupon has, and its validity. Each coupon has its own availablity.