2012 Buick LaCrosse Owner's Manual - Page 419

Vehicle Care To disconnect the jumper cables from both vehicles: 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 caps over the positive (+) and negative (-) terminals to their original positions. 10-93 Jump Starting (On-board with eAssist Only) If the vehicle fails to crank and there is no other vehicle available for a jump start, it may also be jump started by using the eAssist battery to charge the 12-volt battery. Use the following procedure to activate the on‐board jump start using the DIC controls. Jumper Cable Removal A. Heavy, Unpainted Metal Engine Part or Remote Negative (-) Terminal B. Good Battery or Remote Positive (+) and Remote Negative (-) Terminals C. Dead Battery or Remote Positive (+) Terminal