Checking Brake Fluid Level
WARNING: This page is about a different car, the 2002 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
Fluid level should be between maximum and minimum lines on master cylinder reservoir. If fluid level is extremely low, check brake system for leaks. When brake warning light comes on (parking brake lever released), check brake system for leaks. Use DOT 3 brake fluid.