1999 GMC Sierra 1500 Pickup Owner's Manual - Page 332

Service & Appearance Care You shouldnotusepenetratingoilsbecausetheycould washoutthefactory installedlubricantandcausethelocktobind.De-icers which containalcohol could alsowashaway the lubricant, so besure to lubricatethelockafter using a de-icer of this type. Tailgate Handle Thetailgatehandlepivotpointsonyourvehicleshouldbelubricated it workingsmoothly. Yourmaintenanceschedulewilltellyouhow See"RecommendedFluidsandLubricants" lubricanttouse. to keep often to lubricatethehandle. in theIndexfortheproper Electrical System Battery Everynew GM vehiclehasaDelcoFreedom@battery. Youneverhave addwater to oneofthese.Whenit'stimeforanewbattery,werecommend [email protected] theoriginalbattery'slabel. to Vehicle Storage If you're not going to drive your vehicle for 25 days ormore, take off the black,negative (-) cablefromthebattery.Thiswillhelpkeepyourbattery fromrunningdown. I 1 - Batteries acid can you gas can have that burn and that explode. canbebadlyhurt if youaren'tcareful.See"JumpStarting" Indexfortipsonworkingaroundabatterywithoutgettinghurt. You I in the Contact your dealer to learn how to prepare your vehicle for longer periods. Bulb Replacement Beforeyoureplaceanybulbs,besurethat engineisn'trunning. all thelightsare off andthe 6-54