So I took my brand new car
So I took my brand new car down to the Toyota dealer today and had a full evaluation of the situation. I hope this will calm people down. My vehicle (RAV4 Prime) has a 14.5 gallon tank. I brought it in full, as instructed, and they were able to measure that it contained 13.9 gallons. This is as designed, because there needs to leave room for the vapor phase of the gasoline so it won’t take 14.5 gallons of fuel. The defective gas tanks only fill to about 11.5 to 12 gallons or so. And apparently, the fact that the fuel gauge reads empty and the tank only takes 10.7 gallons or so is BY DESIGN. The warning light comes on when there are about 3 gallons left, because they do not want you to run the tank dry. This seems a bit overly cautious to me, but it is apparently a Toyota thing, which is why so many people on this thread are experiencing this with multiple different Toyota models. So as long as you know that you can get 3 more gallons worth of miles when you get the low fuel warning, if you really want to, all is good.