1999 GMC Sierra 1500 Pickup Owner's Manual - Page 80

Features & Controls A Onmanualtransmissionvehicles,turningthekeyto LOCK will lock 3 steeringcolumnandresult in a loss of abilitytosteerthe vehicle.Thiscouldcauseacollision.Ifyouneedtoturntheengine off while thevehicleismoving,turnthekeyonlyto OFF. Don'tmove thekey-'?aseleverwhilethevehicleis mc IQ. To Remove the Key Onmanualtransmissionvehicles,turnthekey to the LOCK positionwhile pressingthe keyreleaseleverdown.Keepingyourfingeronthelever, pull the key straight out. Onautomatictransmissionvehicles,turnthekeyto out. If youhaveadieselengine,see"Starting LOCK andpull it straight Starting Your Gasoline Engine Your DieselEngine" in theIndex. Enginesstartdifferently.The8thdigit ofyourVehicle IdentificationNumber (VIN)showsthecodeletterornumberforyourengine. You willfindtheVIN of yourinstrumentpanel.(See"VehicleIdentificationNumber" atthetopleft intheIndex.) Follow the proper steps to starttheengine. To Starl Your 4.3 Liter (Code Z) engine or 5.0 Liter (Code H) engine: 1. AutomaticTransmission Moveyour shiftlever to P (Park) or N (Neutral). Your enginewon'tstart in anyotherposition-that'sasafetyfeature. To restart whenyou're alreadymoving,use N (Neutral)only. NOTICE I ManualTransmission to neutral and hold theclutchpedal to the floor Your vehiclewon'tstart if the clutch pedalis not all the waydown-that'sasafety feature. Shiftyourgearselector while startingtheengine. 2-1 2