1993 Buick Riviera Owner's Manual - Page 240

Vehicle Storage If you're not going to drive your vehicle 25 days or for -more,take off the black, negative(-) cable from the .battery. This will help keep your battery from running :down. Halogen Bulbs A CAUTION:; I Batteries haveacid that can burn you and gas that can explode. You can be badly hurt ifyou aren't careful. See "Jump Starting'' in the Index for tipson working around a battery without getting hurt. t I A CAUTION: Halogen bulbs have pressurized gasinside and can burst if you drop or scratch the bulb. You o r others could be injured.Take special care when handling and disposing of halogen bulbs. I I Headlamp Bulb Replacement access cover and turn each ' of the access cover retainers 1/4 turn and lift cover the 1 Contact your dealer to learn how to prepare your vehicle :for longer storage periods. Off. 238