Support & Contact – De Lijn General questions Summer campaign How do I return my Blue-bike? Published on July 03, 2020 07:34 Here’s how you do it. PDF Any questions about this subject?Fill in this form. Related articles How do I borrow a Blue-bike? When will I receive my free vouchers? Until when can I activate the vouchers I’ve applied for? Until when can I apply for my vouchers? Can I provide someone else’s mobile number that will be used to redeem the vouchers?