1994 Cadillac Seville Owner's Manual - Page 266

ENGINE OIL A "CHECK OIL LEVEL? message willappear when the engine oil is approximately a quartlow. If the message is displayed, check dipstick the level and add oil needed. as It's a good idea tocheck yourengine oil every time you get fuel. order In to get an accurate reading, the oil mustbe warm andthe vehicle mustbe on level ground. r r _ L Turn off the engine and give the oil a few minutes to drain back into the oil pan.If you don't, the oil dipstick might show the actual level. not r 253