2003 Buick Park Avenue Owner's Manual - Page 300

To disconnect the jumper cables from both vehicles, do the following: B - + 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 I vehicle with the good battery. 4. Disconnect the red positive (+) cable from the other vehicle. Jumper Cable Removal A. Heavy, Unpainted Metal Engine Part or Remote Negative (-) Terminal B. Good Battery or Remote Positive or Remote Negative (-) Terminals C. Dead Battery or Remote Positive (+) Terminal 5-51