Having Uber Cash allows you to pay for Uber rides and Uber Eats orders without a credit or debit card. When you have too much cash in your Uber account, you may want to transfer it to your bank account. Promotional Uber Cash credits cannot be withdrawn from your wallet. It is not possible. On the other hand, if you transferred too much by accident, try to contact Uber customer support for a refund. Uber Cash is a wallet that customers use to pay for rides and food orders. You cannot transfer Uber Cashback to your account without customer support.