1999 GMC Sierra 1500 Pickup Owner's Manual - Page 403

Onmanualtransmissionvehicles,puttheshiftlever in N (Neutral),pushthe clutch down halfway,and try to starttheengine.Thestartershouldworkonly whentheclutchispusheddown all the way to thefloor. Steeringcolumnlockoperation ineachgearshiftposition. -While parked,try to turnthekeyto Lock Withanautomatictransmission,thekeyshouldturnto gear shift is in P (Park). Lock onlywhenthe Lock without Onvehicleswithakeyreleaselever,try to turnthekeyto pressingthelever.Thekeyshould turn to Lock only withthekeylever depressed. Onallvehicles,thekeyshouldcomeoutonlyin Lock. I Parking brake andtransmission P (PARK) mechanismoperation - CAUTION 4 I Whenyou are doing this check,yourvehicle could begin to move. You or others could be injured and property could bedamaged. Makesure there is room in front of your vehicle in case you begin to roll. Beready to apply the regular brake at once should the vehicle begin to move. W Parkonafairlysteephill,withthevehiclefacingdownhill.Keepingyourfoot ontheregularbrake,setthemanualparkingbrake. To checktheparkingbrake:Withtheenginerunningandthe from theregular transmission in N (Neutral),slowlyremovefootpressure brakepedal. Do this untilthevehicle is held by theparkingbrakeonly. To checkthe"Park"mechanism'sholdingability:Applytheregularbrake andshift to P (Park).Releasethemanualparkingbrake,thenslowly release the regular brake. Lapandshoulderbeltsconditionandoperation -Inspect beltsystem, including:webbing,buckles,latchplates,retractors,guideloopsandanchors. if thewebbinghasbeencut or otherwise Haveabeltassemblyreplaced damaged. Body LubricationService -Lubricate all bodydoorhingeswithengineoil. Also lubricatethetailgate,tailgatehandlepivotpoints,andtailgatemounted fuel doorandrear spare tire carrier (if equipped).Lubricatethebodyhood, box and compartmenthinges,latchesandlocksincludinginteriorglove console doors, andany folding seathardware.Lubricatethehoodsafetylever pivot andprop rod pivot.Morefrequentlubrication may berequiredwhen exposed to acorrosiveenvironment. 7-23