2003 Cadillac DeVille Owner's Manual - Page 319

Nofke: Damage to your vehicle may result from electrical shorting if jumper cables are removed incorrectly. To prevent electrical shorting, take care that the cables don't touch each other or any other metal. The repairs wouldn't be covered by your warranty. To disconnect the jumper cables from both vehicles, do the following: 1. Disconnect the black negative (-) cable from the vehicle that had the dead battery. 2. Disconnect the black negative (-) cable from the vehicle with the good battery. 3. Disconnect the red positive (+) cable from the vehicle with the good battery. 4. Disconnect the red positive (+) cable from the other vehicle. 5. Return the remote positive (+) terminal cover to its original position. Jumper Cable Removal A. Dead Battery or Remote Positive (+) Terminal B. Good Battery or Remote Positive (+) and Remote Negative (-) Terminals C. Heavy, Unpainted Metal Engine Part or Remote Negative (-) Terminal (GND) 5-48