1998 GMC Safari Owner's Manual - Page 220

Parking on Hills You really should not park your vehicle, with a trailer attached, on a hill. something goes wrong, your rig If could start to move. People can be injured, and both -your vehicle and the trailer can be damaged. But if you ever have to park your rig,on a hill, here's how todo it: When You Are Ready to Leave After Parking on a Hill 1. Apply your regular brakes and hold the pedal down while you: Start your engine; Shift into a gear; and Release the parking brake. 1. Apply your regular brakes, but don't shift into PARK (P) yet. 2. Let up on the brake pedal. 2. Have someone place chocks under the trailer wheels. 3. When the wheel chocks are place, release the in regular brakes until chocks absorb the load. the 4. Reapply the regular brakes. Then apply your parking brake, and shift to PARK (P). 5. Release the regular brakes. 3. Drive slowlv until the trailer clear of the chocks. is 4. Stop and have someone pick up and store the chocks. Maintenance When Trailer Towing Your vehicle will need service more often when you're pulling a trailer. See the Maintenance Schedulemore for on this. Things that are especially important trailer in operation are automatic transmission fluid (don't overfill), engine oil, axle lubricant, belt, cooling system and brake adjustment. Each these is covered in this of manual, and the Index will help you find them quickly. If you're trailering, it's a good idea to review these sections before you- your trip. start Check periodically to see that all hitch nuts and bolts are tight. 4-36