1997 Buick Riviera Owner's Manual - Page 265

Brakes Brake Fluid system fixed, since a leak means that sooner or later your brakes won't work well, or won't work atl. a l So, it isn't a good idea to "top your brake fluid. off' a Adding brake fluid won't correct leak. If you add fluid when your liningsare worn, then you'll 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: I - Your brake master cylinder reservoir here. It is filled is with DOT-3 brake fluid. There are onlytwo reasons why the brake fluid level the in down. The first is that the brake fluid reservoir might go goes down toan acceptable level during normal brake lining wear. When new linings putin, the fluid level are goes back up. The other reason that fluid is leaking out is of the brake system.If it is, you should have your brake If you have too much brake fluid, it can spill on the engine. The fluid will burn if the engine is hot enough.You or others could be burned, and your vehicle could be damaged. Add brake fluid only when work is done on the brake hydraulic system. When your brake fluid falls a low level, your brake to A warning light will come on. chime will sound if you try to drive with this warning light on. See "Brake System Warning Light'' the Index. in 6-28