The other night while attempting to run back to the launch ramp, a loud buzzer came on while a continuous red light came on that is apparently the oil low warning light. When it started buzzing, the engine dropped to where it would only run about 5-7mph and the Pressure was constant at the 10 on the dial. It continued running, just not at high speed. When I finally got the boat home, I looked in the oil tank in the hull and it was bone dry. I was told that after adding oil, the float would begin to float again and the alarm would go off? I added the oil, and turned the key over to power....but not to turn the engine over. The alarm and red light are still there even though I've filled the reserve tank. I've read about toggle switches, but I can't find any, do I have to remove the tank bracket? Anyway, do I need to put the boat back in the water to run the engine. Does it need to run to recognize the oil? I'm truly confused and don't know how to get rid of the annoying buzzer now that I have oil in the tank. Any help is appreciated.