So there was a thread discussing fuel pump failures and the stress that running the fuel tank low places on the fuel pump. I've looked in the owner's manual and can't find anything with regard to letting the fuel level get below a certain point. I'm wondering if there's anything in writing, as opposed to speculation and conjecture, with regard to this issue. Some here have said that half a tank is the threshold for refueling. I have always let my fuel level drop to at least 1/4 before refueling on all of my vehicles without any adverse effects, and I've never seen anything from an auto manufacturer that stated this may cause problems. I know we have some mechanics in here as well. So please tell me how low is too low,why, and cite a source. I don't want to hurt my SRX, but don't feel like running to the gas station all the time.