1993 GMC Suburban Owner's Manual - Page 95

Thetransfercaseshiftlever is onthefloortotheright of thedriver.Usethis h e lever lever to shiftintoandoutoffour-wheeldrive.Anindicatornear showsyouthetransfercasesettings: 4b @ @ N 2H @ 4H Thefrontaxleportionoftheindicatordiagramwilllightupwhenyoushiftinto four-wheeldrive, A slightdelaybetweenshiftingandtheindicator'slightingis normal. If theindicatordoesnotlightup, or if thefrontaxlelightdoesnotgo outafteryoushiftout of four-wheel drive, have your dealer check your system. Whenyourheadlightsorparkinglightsareon,rotatethedialtotheright yourheadlightswitch to adjustthebrightness ofyourtransfercaseindicator light.Rotatethedialuptobrighten, or downtodim,theindicatorlight. of Transfer Case Shift Posltions is fordriving in moststreet andhighwaysituations. Your front axle is notengagedintwo-wheel drive. 2# (High):Thissetting 4H (High):Thissettingengagesyourfrontaxle Use 4H whenyouneedextratraction,suchason most off-road situations. to help drive your vehicle. wetoricyroads,or in 231