1993 Cadillac Seville Owner's Manual - Page 301

4.6 Liter (Northstar) I . P How To Check Power Steering Fluid: Unscrew the cap and wipe the dipstick witha clean rag.Replace the cap and completely tighten it. Then remove the cap again and look at the fluid levelon the dipstick. 0 0 When the engine compartment is hot, the level should be at the "HOT"mark. When the engine compartment is cool, the level should be at the "FULL COLD" mark. P 287