1993 Buick Regal Owner's Manual - Page 76

Pump-to-Set Parking Brake To release the parking brake: . The parking brake uses the brakes on the rear wheels. Hold the regular brake pedal down. Pull the brake release lever. N T% OC I I To set the parking brake: Hold the regular brake pedal down with your right foot. Pump your parking brake pedal several times with your left foot until the pedal feels firm. If the ignition is on, the brake system warning light will come on. Over time, more pumps may be needed to set the parking brake firmly. If it ever takes more than two full pumps, have the brake system adjusted by your dealer. Driving with the parking brake on can cause your rear brakes to overheat. You may have to replace them, and you could also damage your vehicle. 74