1998 Cadillac Seville Owner's Manual - Page 308

Vehicle Storage If you're not going to drive your vehicle 25 days or for more, remove the black, negative cable fromthe (-) battery. This will help keep your battery from running down. A CAUTIOY To be sure the vent hose (A) properly attached, the is vent hose connectors (B) must be securely reattached to the vent outlets(C) on each side the battery, and the of vent assembly grommet(D) must be secured to the floor Pan (E). ~ Batteries have acid that can burn you and gas that can explode. can be badly hurt you You if aren't careful. See "Jump Starting'' in the Index for tips on working around a battery without getting hurt. Contact your dealer to learn how to prepare your vehic for longer storage periods. Also, for your audio system, "Theft-Deterrent see Feature" in the Index. 6-33