Most car rental companies in Daejeon require a credit card for renting a car. However, some may accept debit cards or cash deposits as alternatives. It is best to check with the specific rental company for their payment requirements.

To rent a car in Daejeon, you will typically need a valid driver's license, passport or ID card, and a credit card in the name of the main driver. Additional requirements may vary depending on the rental company, so it's best to check their specific policies.

Yes, some car rental companies in Daejeon allow drivers under 25 years old to rent a car. However, they may charge an additional young driver surcharge or have specific requirements for young drivers. It is best to check with the rental company for their policies regarding young drivers.

Basic insurance coverage is usually included in the rental price when you rent a car in Daejeon. However, it is recommended to consider additional insurance options, such as collision damage waiver (CDW) or theft protection, for added peace of mind. These additional insurances can be purchased at the rental counter or in advance.

Some car rental companies in Daejeon may allow you to return the car to a different location within the city, while others may require you to return the car to the same location where you picked it up. It is best to check with the rental company for their policies regarding car returns.

If you return the rental car late in Daejeon, you may be charged additional fees. The rental company may have a grace period for late returns, but if you exceed that period, you may be charged for an additional day or a late return fee. It is important to check with the rental company for their specific policies regarding late returns.

Most car rental companies in Daejeon allow you to cancel or modify your reservation. However, there may be cancellation or modification fees, depending on the timing of your changes. It is best to check the rental company's cancellation and modification policies before making a reservation.

In case of an accident or breakdown with the rental car in Daejeon, you should immediately contact the car rental company and follow their instructions. They will guide you on the necessary steps to take, such as contacting the police or arranging for a replacement vehicle. It is important to have the rental company's contact information readily available before starting your rental.