You can redeem points for Uber Cash on the Uber app. To do this:
1. Add your Uber Visa Card as a payment method (see "Updating a Payment Method on your account" for instructions on how to add a credit card)
2. Tap the Uber app menu in the top left, then tap your points balance
3. Select the amount of points you'd like to redeem for Uber Cash
Uber Cash redemptions typically occur within seconds but in some cases may take up to 24 hours to apply to your account.
There is a $500 daily limit for redemptions for Uber Cash, and redemptions start at 500 points for $5.