1996 Cadillac DeVille Owner's Manual - Page 247

k 4. With the coolant surge tank pressure cap off, start the you engine and let it run until can feel the upper radiator hose getting hot. Watch out for the engine fans. By this time, the coolant level inside the coolant If surge tank may be lower. the level is lower, add more of the proper mix to the coolant surge tank 2.5 until the level reaches about inches (60 mm) below the baseof the filler neck. 5. Then replace the pressure cap. sure the arrows on Be the pressure cap line like this. up Start the engine and allowit to warm up. If the CHECK COOLANT LEVELmessage does not appear on the Driver Information Center, coolant is at the proper fill level. If a CHECK COOLANT LEVEL message does appear, repeat Steps 1 to or see your dealer. 3