Most car rental companies in Saint Gallen require a credit card for renting a car. This is because they use the credit card for security purposes and to cover any potential damages or additional charges. However, there may be some rental companies that offer alternative payment methods, such as debit cards or cash deposits. It is best to check with the specific rental company for their payment policies.

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

• A valid driver's license: This should be a full driver's license that has been held for a certain period of time, usually one to two years.
• Identification: You will need to provide a valid passport or national ID card.
• Proof of insurance: Some car rental companies may require you to show proof of insurance coverage.
• Credit card: As mentioned earlier, most rental companies require a credit card for security purposes.

Yes, you can rent a car in Saint Gallen with a foreign driver's license. However, it is recommended to have an International Driving Permit (IDP) in addition to your foreign license. The IDP serves as a translation of your license and is generally recognized by car rental companies and law enforcement agencies. It is always best to check with the specific rental company for their requirements regarding foreign licenses.

Most car rental companies in Saint Gallen offer unlimited mileage, meaning you can drive as much as you want without any additional charges. However, there may be some rental companies that have mileage restrictions or charge per kilometer driven. It is important to check the rental terms and conditions or inquire with the rental company regarding any mileage restrictions or charges.

The cancellation policy for car rentals in Saint Gallen can vary depending on the rental company and the type of reservation made. It is important to carefully review the terms and conditions of the rental agreement before making a reservation. Some rental companies may offer free cancellation up to a certain time before the pickup date, while others may charge a cancellation fee or require you to forfeit a portion of the rental cost. It is best to check the specific cancellation policy of the rental company you plan to use.

Most car rental companies in Saint Gallen charge an additional fee for adding an additional driver to the rental agreement. This fee can vary depending on the rental company and the duration of the rental. Some rental companies may include one additional driver for free, while others may charge a daily fee per additional driver. It is important to check the rental terms and conditions or inquire with the rental company regarding any additional driver fees.

If you return the rental car late in Saint Gallen, you may be charged additional fees. Most rental companies have a grace period of 30 minutes to an hour, but beyond that, you will likely be charged for an additional day. It is important to return the car on time or communicate with the rental company if you anticipate being late to avoid any unnecessary charges. The specific late return policy and fees can vary depending on the rental company, so it is best to check their terms and conditions.