1993 GMC Safari Owner's Manual - Page 311

Scheduled Maintenance Services This part tellsyouthemaintenanceservicesyoushouldhavedoneandwhen youshouldschedulethem. YourGM dealerknowsyourvehiclebestand wantsyou to behappywithit.Ifyougo to yourdealerforallyourservice needs,you'llknowthatGM-trainedandsupportedservicepeoplewillperform theworkusinggenuine GM parts. These schedules are for vehicles that: carrypassengersandcargowithintherecommendedlimits. You will find theselimits on yourvehicle'sCertification Label. See"LoadingYour Vehicle" in theIndex. aredrivenonregularroadsurfaces,andwithinlegaldrivinglimits,as described in Section 4, "Your Drivingand the Road". usetheproperfuel.See"Fuel" in theIndex. Selecting The Proper Maintenance Schedule Your drivingconditionsandhowyouuseyourvehiclewillhelpyoudetermine whichschedule to use.Theschedulesare found laterinthissection. MAINTENANCESCHEDULE I Is anyoneofthesetrueforyourvehicle? Mosttripsarelessthan 4 miles (6 kilometers). Mosttripsarelessthan 10 miles (16 kilometers)andtheoutside temperatures are belowfreezing. Theengineisatlowspeedmostofthetime (as in stop-and-go traffic, door-to-doordelivery, or othercommercialuses). You operateindustyareasfrequently. You tow atrailer. I. The Ifanyone(ormore)ofthese is trueforyourdriving,followSchedule chartforSchedule I hasplussigns (t). MAINTENANCESCHEDULE II Follow Schedule II ONLY if none of theaboveconditionsaretrue.Thechart forSchedule II hasdots (e). 7-3