1999 Cadillac DeVille Owner's Manual - Page 87
1999 Cadillac DeVille Manual
Page 87 highlights
yellowblue CAUTION: 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. Before releasing the manual parking brake, be sure to put the vehicle in PARK (P) and turn the ignition to OFF. Reach under the driver's side of the instrument panel and pull on the manual release lever, which is located above the parking brake pedal. If the parking brake does not release, you should either drive to the nearest service station or have your vehicle towed. 2-27