1. Find a suitable wedding car fleet: You can find a suitable wedding car fleet through the Internet, wedding companies, wedding car rental companies and other channels.

2. Contact the person in charge of the motorcade: get in touch with the person in charge of the motorcade to find out the specific situation of the motorcade, including model, color, quantity, price, service content, etc.

3. Sign a contract: sign a contract with the team leader to ensure that the rights and interests of both parties are guaranteed. The contents of the contract should include vehicle information, service time, cost, cancellation policy, etc.

4. Payment of expenses: according to the contract, the corresponding expenses shall be paid in full or in advance.

5. Arrange the route for picking up the relatives: discuss with the person in charge of the motorcade to determine the route for picking up the relatives, and consider the traffic conditions, time schedule and other factors to ensure a smooth arrival at the wedding venue.