1993 GMC Safari Owner's Manual - Page 205

Parking on Hills You reallyshouldnotparkyourvehicle,withatrailerattached,onahill. I f somethinggoeswrong,yourrigcouldstart to move.Peoplecanbeinjured, and both your vehicle and the trailer can be damaged. But ifyoueverhave to parkyour rig onahill,here'show to do it: 1. Applyyourregularbrakes,butdon'tshiftinto 2. Havesomeoneplacechocksunderthetrailerwheels. P (Park)yet. 3. Whenthewheelchocksare chocksabsorb the load. in place, releasetheregularbrakesuntilthe to 4. Reapplytheregularbrakes.Thenapplyyourparkingbrake,andshift P (Park). 5. Releasetheregularbrakes. When You Are Ready to Leave After Parking on a Hill 1. Applyyourregularbrakesandholdthepedaldownwhileyou: Startyourengine. Shiftintoa gear; and Releasetheparkingbrake. 2. Letuponthebrakepedal. 3. Driveslowlyuntilthetrailerisclear of thechocks. 4. Stopandhavesomeonepickupandstorethechocks. Maintenance When Trailer Towing Your vehiclewillneedservicemoreoftenwhenyou'repullingatrailer.See theMaintenanceScheduleformoreonthis.Thingsthatareespecially important in traileroperationareautomatictransmission fluid (don'toverfill), engineoil,axlelubricant,belt,coolingsystem,andbrakeadjustment.Each of theseiscovered in thismanual,andtheIndexwillhelpyoufindthem quickly. If you'retrailering, it's agoodidea to reviewthesesectionsbefore you start your trip. Checkperiodically to seethatallhitchnutsandboltsaretight. mailer Light Wiring See"TrailerWiringHarness'' in theIndex. 4-49