2008 Buick LaCrosse Owner's Manual - Page 322

Always use the remote positive (+) terminal instead of the positive (+) terminal on the battery. If your vehicle has the 5.3L V8 engine, to uncover the remote positive (+) terminal, remove the fuse block cover. {CAUTION: Fans or other moving engine parts can injure you badly. Keep your hands away from moving parts once the engine is running. {CAUTION: 5.3L Engine Using a match near a battery can cause battery gas to explode. People have been hurt doing this, and some have been blinded. Use a flashlight if you need more light. Be sure the battery has enough water. You do not need to add water to the battery installed in your new vehicle. But if a battery has fillercaps, be sure the right amount of fluid is there. If it is low, add water to take care of that first. If you do not, explosive gas could be present. CAUTION: (Continued) {CAUTION: An electric fan can start up even when the engine is not running and can injure you. Keep hands, clothing and tools away from any underhood electric fan. 5-52