1997 Chevrolet Lumina Owner's Manual - Page 260

Brakes Brake Fluid leaking outof the brake system. it is, you should have If your brake system fixed, since a leak means that sooner or later your brakes won't work well, or won't work at all. So, it isn't a good idea "top OF' brake fluid. to your Adding brake fluid won't correct a leak. add fluid If you when your linings worn, then you'll are have too much fluid when you get new brake linings. should add You (or remove) brake fluid, as necessary, only when work is done on the brake hydraulic system. A CAUTION: Your brake master cylinder reservoir here. It is filled is with DOT-3 brake fluid. There are only two reasons why the brake fluid level in the reservoir might go down. first is that the brake The fluid goes down to acceptable level during normal an brake liningwear. When new linings are put in, the fluid level goes back up. other reasonis that fluidis The I If you havetoo much brake fluid, it spill on the can engine. The fluid burn if the engineis hot will enough. You or others could burned, and your be vehicle could be damaged. Add brake fluid only when work is done on the brake hydraulic system. 6-28