You can add a vehicle by navigating to drivers.uber.com or using the Driver app.
If you're trying to add the vehicle after logging into drivers.uber.com, you can select the VEHICLES tab then add the required information and documents for the vehicle you wish to drive.
If you're using the Driver app, you can use the following instructions:
1 .Tap the profile photo in the upper right corner of the map screen
2. Select "Account" from the top menu
3. Tap "Vehicles" > "Add vehicle"
This will bring you to your dashboard where you can enter any required information and documentation for your new vehicle.