GM Service Manual Online
For 1990-2009 cars only

Adding Fluid to the Brake System Notice As of BSI

Notice: When adding fluid to the brake master cylinder reservoir, use only brake fluid conforming to SAE J1704 from a clean, sealed brake fluid container. The use of any type of fluid other than the recommended type of brake fluid may cause contamination which may result in damage to the internal rubber seals and/or rubber linings of hydraulic brake system components.