Most car rental companies in Brig require a credit card for renting a car. This is used as a form of security and to cover any potential damages or additional charges. However, it is always recommended to check with the specific car rental company as some may offer alternative payment options or policies.

To rent a car in Brig, you will typically need the following documents:

• A valid driver's license.
• A valid passport or identification card.
• A credit card in the name of the main driver.
• Proof of insurance coverage, which can be obtained through your own personal car insurance or by purchasing insurance from the car rental company.

Many car rental companies in Brig offer unlimited mileage for their rental vehicles. However, it is important to check with the specific company and read the rental agreement to confirm if there are any mileage restrictions or additional charges for exceeding a certain mileage limit.

The cancellation policy for car rental reservations in Brig can vary depending on the car rental company and the type of reservation. It is important to read the terms and conditions of your reservation or contact the car rental company directly for information on their specific cancellation policy. Some companies may offer free cancellations up to a certain time before the pick-up date, while others may charge a cancellation fee.

Yes, it is possible to return the rental car to a different location in Brig. This is known as a one-way rental. However, it is important to check with the specific car rental company as they may charge an additional fee for this service. Some companies may also have restrictions on certain types of vehicles or locations for one-way rentals.

Most car rental companies in Brig require renters to return the car with a full tank of fuel. If the car is not returned with a full tank, the rental company may charge an additional fee or surcharge to refill the tank. It is important to review the rental agreement or ask the rental company for their specific fuel policy.