Typically, car rental companies in Setouchi require a credit card for the security deposit. However, some may accept debit cards or cash deposits as an alternative. It is recommended to check with the specific car rental company for their payment options.

Most car rental companies in Setouchi have a minimum age requirement of 21 years old. However, some may allow renters as young as 18 years old, but may charge an additional fee for drivers under 25. It is recommended to check with the specific car rental company for their age restrictions.

Yes, an international driving permit (IDP) is generally accepted in Setouchi along with a valid driver's license from your home country. It is recommended to check with the specific car rental company for their requirements regarding international driving permits.

Basic insurance coverage is usually included in the car rental price in Setouchi. This typically includes liability insurance and collision damage waiver (CDW). However, there may be additional optional insurance coverage available for an extra cost. It is recommended to check with the specific car rental company for their insurance coverage details.

The fuel policy for car rentals in Setouchi is usually 'full-to-full', which means you will receive the car with a full tank of fuel and are expected to return it with a full tank. It is important to refill the fuel before returning the car to avoid additional charges.

There may be additional fees when renting a car in Setouchi. These can vary depending on the car rental company and the specific rental agreement. Some common additional fees include:

• Airport surcharge
• Youth driver fee (for drivers under a certain age)
• Additional driver fee
• One-way rental fee (if picking up and returning the car to different locations)

It is recommended to carefully review the rental agreement and ask the car rental company about any potential additional fees.