1993 Buick LeSabre Owner's Manual - Page 217

Bp. 6. Start the engine and let it run until you can feel the upper radiator hose getting hot. Watch out forthe engine fans. :.*-. L 1the 8. Thenreplace pressure cap. Be sure the arrowson the pressure cap line up like this. 7. By this time the coolant level inside the radiator filler neck may be lower. If the level islower, add more of the propermix through the fillerneck until the level reaches the base of the filler neck. 215