1996 GMC Safari Owner's Manual - Page 266

Vehicle Storage Lf you're not going to drive your vehicle for or more, 25 days take off the black, negative (-) cable from the battery. This will help keep your battery from running down. Bulb Replacement Before replacing any bulbs, make sure all lamps are off and the vehicle is not running. See "Replacement Bulbs" in the Index. A CAUTION: Halogen Bulbs CAUTION: Batteries have acid that can burn and gas you that canexplode. You can be badly hurt you if aren'tcareful.See"JumpStarting" in theIndexHalogenbulbshavepressurizedgasinsideand fortipsonworkingaround a batterywithoutcanburst if you droporscratchthebulb. You or couldgetting others hurt. be injured. Be sureandread to follow the instructions on the bulb package. Contact your dealer to learn how to prepare your vehicle for longerstorage periods. Also, for your audio system, see"Theft-Deterrent Feature" in the Index. IA 6-36