Ford 1996 Windstar Manual page 86

The safety belt warning light
Brake System Light
The warning light for the brakes indicates two things — that
either the parking brake is on or not fully released, or that the
brake fluid level is low in the master cylinder reservoir. If the
fluid level is low, the brake system should be checked by a
qualified service technician.
The brake system light
The BRAKE light normally comes on when you turn the
ignition key to the ON or START position to verify that the
indicator bulb is working. If the light stays on or comes on
when the engine is running and after you have released the
parking brake fully, have the hydraulic brake system serviced.
The BRAKE light indicates that the brakes may not be
working properly. Have the brakes checked immediately.
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