Great! You can use the coupon code when renting a bike via the app and pay a lower rental fee.
Simply rent a bike using the map then you will reach the payment page.
At this payment page, look for the section, Add coupon code.
Tap this section and enter the code on the page.
Follow the steps and you should see the discount being applied to the payment amount.
Then proceed to make payment and you are all set to go!