Most car rental companies in Rio di Pusteria require a credit card for renting a car. This is to secure payment and cover any potential damages to the vehicle. Some companies may accept debit cards, but it's best to check with the rental company beforehand.

When renting a car in Rio di Pusteria, you will typically need the following documents:

• A valid driver's license from your home country or an International Driving Permit (IDP)
• A valid passport or ID card
• A credit card in the name of the primary driver for the security deposit
• Proof of insurance coverage (if not provided by the rental company)

When returning your rental car in Rio di Pusteria, you will typically need to follow these steps:

1. Check the fuel level and refill if necessary to avoid additional charges
2. Remove any personal belongings from the car
3. Park the car in the designated return area or follow the instructions provided by the rental company
4. Return the keys and any rental documents to the rental counter
5. Collect any refundable deposit or settle any outstanding payments

Yes, you can usually add an additional driver to your rental car in Rio di Pusteria. Most rental companies allow you to add a second driver for an additional fee. The additional driver will need to meet the age and driver's license requirements set by the rental company.

The cancellation policy for car rental in Rio di Pusteria can vary depending on the rental company and the type of reservation. It's important to carefully read the terms and conditions of your rental agreement before making a booking. Some rental companies may offer free cancellation or changes up to a certain time before the rental period, while others may have stricter cancellation policies with fees or penalties for late cancellations.

Yes, it is possible to rent a car in Rio di Pusteria for one day. Rental companies typically offer daily rates for short-term rentals. However, keep in mind that some rental companies may have a minimum rental period requirement, so it's always best to check with the company directly or through their website.