How do you drain petrol from tank of a rover 75?

To drain petrol from the tank of a Rover 75, first ensure the vehicle is safely parked and the ignition is off. You can access the fuel tank by removing the rear seats or accessing the fuel pump through the inspection cover, depending on the model. Use a siphon pump or a suitable fuel extraction tool to carefully remove the petrol. Always follow safety precautions, such as working in a well-ventilated area and avoiding open flames.