1993 GMC Safari Owner's Manual - Page 204

Your Driving and the Road Following Distance Stay at least twice as far behind the vehicle ahead as you would when drivingyourvehiclewithoutatrailer.Thiscanhelpyouavoidsituationsthat requireheavybrakingandsuddenturns. Passing You'llneedmorepassingdistanceupaheadwhenyou'retowingatrailer. And,becauseyou'reagooddeallonger,you'llneed to gomuchfarther beyondthepassedvehiclebeforeyoucanreturn to yourlane. Backing Up Hold the bottom of thesteeringwheelwithonehand.Then, to movethe To move the trailer to the trailer to theleft,justmoveyourhandtotheleft. if possible, right,moveyourhand to theright.Alwaysbackupslowlyand, havesomeoneguideyou. Making Turns Whenyou'returningwithatrailer,makewiderturnsthannormal. Do this so yourtrailer wheelswon't strikesoftshoulders,curbs,roadsigns,trees,or otherobjects.Avoidjerkyorsuddenmaneuvers.Signalwell in advance. Turn Signals When Towing a Trailer Whenyoutowatrailer,yourvehiclehas to haveadifferentturnsignal flasherandextrawiring.Thegreenarrowsonyourinstrumentpanelwillflash wheneveryousignalaturnorlanechange.Properlyhookedup,thetrailer lights willalsoflash,tellingotherdriversyou'reabouttoturn,changelanes, or stop. Whentowingatrailer,thegreenarrowsonyourinstrumentpanelwillflashfor turnseven if thebulbsonthetrailerareburnedout.Thus,youmaythink drivers behind youareseeingyoursignalwhentheyarenot.It'simportantto checkoccasionallytobesurethetrailerbulbsare still working. Driving on Grades Reducespeedandshift to a lowergear before youstartdownalong steepdowngrade. If youdon'tshiftdown,youmighthavetouseyourbrakes so muchthattheywouldgethotandnolongerworkwell. Onalonguphillgrade,shiftdownandreduceyourspeedtoaround (70 kmlh) toreducethepossibility ofengineandtransmission or 45 mph overheating. You shoulduse D (orasyouneedto,alowergear)whentowingatrailer. Operating your vehicle in D when towing a trailer will minimize heat buildup and extend the life ofyourtransmission. 4-48