1998 Buick Century Owner's Manual - Page 225

5. Find the positive (+) and negative (-) terminals on each battery. Your vehicle has a remote positive (+) jump starting terminal.The terminal is on the same side of the engine compartment as your battery. To uncover the remote positive (+) terminal, squeeze the sides of the red plastic cap and pull the cap upward. You should always use the remote positive (+) terminal instead of the positive (+) terminal on your battery. Using a match near a battery can cause battery gas to explode. People have been doing this, hurt and some have been blinded. a flashlight if Use you need more light. Be sure the battery has enough water. don't You need to add water to the ACDelco Freedom@ battery installed in every new GM vehicle. But if a battery has filler caps, be sure the right amount of fluid is there.If it is low, add water to take care of that first. If you don't, explosive gas could be present. Battery fluid contains acid that can burn you. Don't get it onyou. If you accidentally get it in your eyes or on your skin, flush place with the water and get medical help immediately.