1993 GMC Suburban Owner's Manual - Page 216

., . I Coastingdownhill in M (Neutral)orwiththeignition off is dangerous. Yourbrakes will havetodo all thework of slowingdown.Theycould well. You couldcrash.Always getsohotthattheywouldn'twork haveyourenginerunningandyourvehicle in gearwhenyou go downhill. Q 8 Knowhow to go uphill.Youmaywanttoshiftdown to alowergear. Thelowergearshelpcoolyourengineandtransmission,andyoucan climbthehillbetter. Stay in yourownlanewhendrivingontwo-laneroads in hillsor mountains.Don'tswingwideorcutacrossthecenter of theroad.Drive atspeedsthatletyoustayinyourownlane.Thatway,youwon'tbe surprised by avehiclecomingtowardyou in thesamelane. If avehicle is passingyouand wanttoleaveextraroomtopass. doesn'thaveenoughroom, slow down to make it easier for theother vehicletogetby. * It takeslongertopassanothervehiclewhenyou'regoinguphill.You'll 8 As yougooverthetop of ahill,bealert.Therecouldbesomething yourlane,likeastalledcar or anaccident. in 6) Youmayseehighwaysignsonmountainsthatwarn of specialproblems. Examplesarelonggrades,passing or no-passingzones,afallingrocks area,orwindingroads.Bealert to theseandtakeappropriateaction. Winterdrivingcanpresentspecialproblems.See"WinterDriving"inthe Index. 0 4-48