1999 GMC Sierra 1500 Pickup Owner's Manual - Page 309

What to Do with Used Oil: I PAUTION I \ I Used enginecontains that caused cancer oil things have skin in laboratoryanimals.Don'tletusedoilstayonyourskinforverylong. clnan yourskinandnailswithsoapandwater,oragoodhand c,,aner. Washorproperlythrowawayclothingorragscontaining usedengineoil. I Usedoilcanbearealthreattotheenvironment. Ifyouchangeyourownoil, be suretodrainallfree-flowingoilfromthefilterbeforedisposal.Don'tever it ontheground,intosewers, dispose of oil byputting it inthetrash,pouring it toaplace or intostreams or bodies of water.Instead,recycleitbytaking If youhaveaproblemproperlydisposing of yourused thatcollectsusedoil. oil,askyourdealer,aservicestationoralocalrecyclingcenterforhelp. Air Cleaner I I PO216 RefertotheMaintenanceScheduletodeterminewhentoreplacethe cleanerfilterondieselenginesandtheaircleanerfilterandcrankcase ventilationfilterongasolineengines.See"ScheduledMaintenanceServices'' in theIndex. air 6-31