2003 Cadillac DeVille Owner's Manual - Page 102

If the ignition is on: the brake system warning and parking brake indicator light on the instrument panel cluster should come on. If it doesn't, you need to have your vehicle serviced. if the parking brake doesn't fully release, you can manually release the pedal. However, be sure to read the foiiowing para--nphs: When you move out of PARK (P) or NEUTRAL (N) and the engine is running, the parking brake should release. If the parking brake has not been fully released and you try to drive off with the parking brake on, the brake system warning and parking brake indicator light will come on and stay on and a multiple chime will sound. See Brake System Warning and Parking Brake indicator Light on page 3-47 for more information. Always shift to PARK (P) before pulling the manual release lever. If your hand or arm is in the way of the pedal you could be hurt. The pedal springs back quickly. Keep your hand and arm away when you use the manual release lever. 2-33