Most car rental companies in Petropavlovsk-Kamchats require a credit card for the rental process. This is used as a security deposit and for any additional charges that may accrue during the rental period. It is recommended to check with the specific rental company if they have any alternative payment options available.

When renting a car in Petropavlovsk-Kamchats, you will typically need to present the following documents:

• A valid driver's license from your home country or an International Driving Permit
• A valid passport or identification card
• A credit card in the name of the main driver for the security deposit

Basic insurance coverage is usually included when renting a car in Petropavlovsk-Kamchats. This typically includes third-party liability coverage. However, it is important to check with the rental company for the specific details of the insurance coverage and any additional options available, such as collision damage waiver or theft protection.

Crossing the border with a rental car from Petropavlovsk-Kamchats may be possible, but it depends on the rental company and the specific terms and conditions of the rental agreement. Some rental companies may allow cross-border travel, while others may have restrictions or additional fees. It is important to inform the rental company in advance if you plan to travel across borders.

If you return the rental car late in Petropavlovsk-Kamchats, you may be charged additional fees. The rental company may have a grace period for late returns, but beyond that, they can charge you for an extra day or additional hourly rate. It is always best to return the car on time or contact the rental company in case of any delays or changes in the return schedule.

Most car rental companies allow modifications or cancellations to a reservation in Petropavlovsk-Kamchats, but there may be fees or restrictions depending on the terms and conditions of the reservation. It is recommended to review the rental company's cancellation policy before making a reservation and contact them directly to make any changes or cancellations.

In case of an accident or breakdown with the rental car in Petropavlovsk-Kamchats, first ensure your safety and the safety of others involved. Then, contact the rental company as soon as possible to report the incident and follow their instructions. They will guide you on the next steps to take, which may include contacting the local authorities, arranging for a replacement vehicle, or getting assistance for repairs. It is important to familiarize yourself with the rental company's emergency contact information before starting your rental.