Oldsmobile Royale My 994 Oldsmobile 88 Royale Emergency Light Stays On?

My 994 oldsmobile 88 royale emergency light stays on? - oldsmobile royale

My 94 Oldsmobile 88 Royale, and emergency lighting will remain on the brake reservoir is completely dry, I filled, but still no brakes, it is necessary to add fluid? If yes, how many do you need? I see no leaks anywhere, why my brakes bone dry tank? it is about more than 1 liter? beleiev I was in fourth the gas station I need more?