2001 Buick Regal Owner's Manual - Page 226

To disconnect the jumper cables from both vehicles, do the following: 1. Disconnect the black negative (-) cable from the heavy, unpainted metal engine part on the vehicle that had the dead battery. 2. Disconnect the black negative (-) cable from the negative (-) terminal on 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. Jumper Cable Removal A. Heavy, Unpainted Metal Engine Part B. Good Battery C. Dead Battery 5. Be sure to reinstall the remote positive (+) jump starting terminal plastic cap on your vehicle. 5-8