1994 Cadillac Fleetwood Owner's Manual - Page 286
1994 Cadillac Fleetwood Manual
Page 286 highlights
put in, the fluid levelgoes back up. The other reason is that fluid is leaking out of the brake system. If it is, you should have yourbrake system fixed,since a leak means that sooner or later your brakes won't work well, or won't workat all. So, it isn't a good idea to "topoff" your brake fluid. Adding brake fluid won'tcorrect a leak. If you add fluid when your liningsare worn, then you'll havetoo much fluid when get new you brake linings. You should add (or remove) brake fluid, as necessary, only when work isdone on the brake hydraulic system. Refer to theMaintenance Schedule to determinewhen to check your brake fluid. See "Periodic Maintenance Inspections" in the Index. To Check BrakeFluid 273