MANILA - A Porsche Cayenne was found abandoned in Connecticut Street, San Juan City for the past three days with the keys still in the car. Senior Inspector Melchor Rosales, deputy chief of the San Juan police, said a parking attendant noticed that the car with conduction sticker ZD7470 was left unlocked with the keys still inside. A Porsche Cayenne is worth about P4 million. A radio DZMM report said the car was a rental. Police are trying to determine if the car was abandoned by carjackers.