****** petrol

I fill my car weekly . On this particular day after i left the caltex garage i paid full for petrol but as soon as i left the petrol needle started dropping immediately to a quater tank . I then contacted barons as my car was just serviced took it and confirmed the fault is not with the car ... we went back to the petrol station 3 times but the manager has been no help ... iv been ****** by caltex petrol attendants