1993 GMC Suburban Owner's Manual - Page 361

On rkanualtransmissionvehicles,puttheshiftlever in N (Neutral),pushthe clutchdownhalfway, and try to starttheengine.Thestartershouldworkonly whentheclutch is pusheddownallthe way to thefloor. Steeringcolumnlockoperation in each gear shift position. -While parked,try to turn thekeyto Lock With/ an automatic transmission, the key should gear shift is in P (Park). On vehicleswithakeyreleaselever,tryto pressingthelever.Thekeyshouldturnto depressed. On all vehicles,thekeyshouldcomeoutonly turn to Lock onlywhenthe turn thekey to Lock without bock onlywiththekeylever in Lock. Parking brake and transmission P (PARK) mechanism operation - ' Whenyou are doing thischeck,yourvehicle could begin to move. You orotherscould be injuredandproperty could bedamaged. Makesurethere is room in front of yourvehicle in caseyoubegin to roll. Be ready to applytheregularbrakeatonceshouldthe vehicle begin to move. Parkonafairlysteephill,withthevehiclefacingdownhill.Keepingyourfoot ontheregularbrake,setthemanualparkingbrake. 8 ~ To checktheparkingbrake:Withtheenginerunningandthe transmission in N (Neutral),slowlyremovefootpressurefromtheregular brakepedal. Do this untilthevehicle is held bytheparkingbrakeonly. e I To checkthe"Park"mechanism'sholdingability:Applytheregularbrake and shift to P (Park).Releasethemanualparkingbrake,thenslowly releasetheregularbrake. Lap and shoullder belts condition and operation -Inspectbeltsystem, including:webbing,buckles,latchplates,retractors,guideloopsandanchors. if thewebbinghasbeencutorotherwise Haveabeltassemblyreplaced damaged. Body Lubrication Service --Lubricate allbodydoorhingeswithengine oil. Also lubricatethetailgate,tailgatehandlepivotpoints, and tailgatemounted sparetirecarrier(ifequipped).Lubricatethebodyhood, fuel doorandrear compartmenthinges,latchesandlocksincludinginteriorgloveboxand consoledoors, and any folding seathardware.Lubricatethe hood safetylever pivot and prop rod pivot.Morefrequentlubricationmay be requiredwhen exposed to a corrosive environment. 7-23