1993 GMC Suburban Owner's Manual - Page 200

B Q Q A hill thatcanbedrivenstraightupordownmaybetoosteep to drive across.Whenyougostraightupordownahill,thelengthofthewheel base(thedistancefromthefrontwheels to the rearwheels)reducesthe likelihoodthevehicle will tumbleendoverend.Butwhenyoudrive acrossanincline,themuchmorenarrowtrackwidth(thedistance betweentheleftandrightwheels)maynotpreventthevehiclefrom tiltingandrollingover. Also, drivingacrossaninclineputsmoreweight or a rollover. on thedownhillwheels.Thiscouldcauseadownhillslide Surfaceconditionscanbeaproblemwhenyoudriveacrossahill.Loose gravel,muddyspots,orevenwetgrass can causeyourtires to slip sideways,downhill. If thevehicleslipssideways, it can hit somethingthat willtripit (a rock,arut,etc.) and rollover. Hiddenobstaclescanmakethesteepnessoftheinclineevenworse. If youdriveacrossarockwiththeuphillwheels,or if thedownhillwheels dropintoarutordepression,yourvehicle can tiltevenmore. Forreasonslikethese, you need todecidecarefullywhether to try to drive acrossanincline.Justbecausethe trail goesacrosstheinclinedoesn'tmean you havetodrive it. The last vehicle to try it mighthaverolledover. Drivingacrossaninclinethat's too steepwillmakeyourv,ehicle roll over.You could be seriouslyinjured or killed. If youhave any doubt it. Find another aboutthesteepness of theincline,don'tdriveacross Q: What if I'm driwing across an incline that's not too steep, but I kit some loose grawel and start to slide downhill. What should I do? A: If youfeelyourvehiclestarting to slidesideways,turndownhill.This shouldhelpstraightenoutthevehicleandpreventthesideslipping.However, amuchbetter way to preventthis is togetout and "walkthecourse" knowwhatthesurface is likebeforeyoudrive it. so you StaWng on an incline If yourvehiclestallswhenyou'recrossinganincline, be sureyou (and your passengers)getoutontheuphillside,even if thedoorthere is harder to and thevehiclestarts to roll over, open. If yougetoutonthedownhillside you'llberight in itspath. If youhave towalkdowntheslope,stayout if it doesrollover. of thepaththevehiclewilltake 4-32