1997 Chevrolet Astro Owner's Manual - Page 292

Battery Every new vehicle has a Delco Freedom@battery. You never have to add water to one of these. When it's time for anew battery, we recommend a Delco Freedom battery. Get one that has the replacement number shown on the original battery's label. Also, for your audio system, see "Theft-Deterrent Feature" in the Index. Bulb Replacement For any bulb changing procedure not listed in this section, contact your GM dealer service department. Before replacing any bulbs, make sure all lamps are off and the vehicle is not running. See "Replacement Bulbs" in the Index. Vehicle Storage If you're not going to drive your vehicle for 25 days or more, take off the black, negative (-) cable from the battery. This will help keep your battery from running down. Halogen Bulbs I A CAUTION: Halogen bulbs have pressurized gas inside and You can burstif you drop or scratch the bulb. or others could be injured. sure to read and Be follow the instructions on the bulb package. I Batteries have acid that can burn and gas you that canexplode. You can be badly hurtif you 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 vehicle for longer storage periods. 6-36