Firstly, determine the travel destination and time. Before selecting a private car service, it's essential to establish the travel destination and time to choose the appropriate car service company and vehicle type, as well as to better estimate costs.

Next, choose a reliable car rental company. When selecting a car rental service, consider factors such as the company's reputation, qualifications, and service quality. Opt for companies with a good reputation and credibility to ensure a safe and comfortable journey.

Three, clarify the car rental costs and terms. When selecting a car rental service, it is essential to be clear about the costs and related terms, including the type of vehicle, mileage, overtime charges, fuel costs, and whether a deposit or full payment is required to avoid unnecessary disputes during the trip.

Four, confirm the driver's service attitude and professionalism. When selecting a private car service, it's essential to verify the driver's service attitude and professionalism, including their communication skills, driving abilities, and safety awareness. During the trip, the driver is a key partner, and their service attitude and professionalism can directly impact the travel experience.

Five, prioritize safety and courteous travel. During private car tours, pay attention to safety and polite travel habits, such as wearing seat belts, adhering to traffic rules, and not littering. Additionally, respect the driver's work and character, maintain good communication, and foster a cooperative relationship.

In summary, when opting for a private car service, it's crucial to consider the aforementioned points to ensure a safe and comfortable journey. Additionally, it's important to be flexible and adapt to potential issues and challenges encountered during the trip, maintaining an open mindset and a positive attitude.