No smoking, Period, I don't smoke so I will know if there was smoking in here. I left One stars for smoking. And no eating as well, I've caught many people lying about the smoking and eating. There will be a big fee for the cleaning for either one. Takes midgrade or premium Fuel, does not accept REGULAR and will cause Knocking. Other than that I have no guidelines really if you have an animal just make sure there's no hair and the windows don't come back dirty in the inside.