If the gas level is already below 25% at the start of your ride, you will be awarded 5€ as credit as a thank you for your help.
This transfer is done about once a week. So don't be alarmed if the credit are not applied to your ride directly.
👉 Good to know:
You can check your credit balance and expiration dates in the app at any time.
☝️Fuel credits will not be credited when booking a long-term package.