1998 Oldsmobile Achieva Owner's Manual - Page 187

Parking on Hills You really should not park your vehicle, with a trailer attached, on a hill. If something goes wrong, your rig 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 to do 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. 3. Drive slowly until the trailer is clear of the chocks. 2. Have someone place chocks under the trailer wheels. 3. When the wheel chocks are in place, release the regular brakes until the chocks absorb the load. 4. Reapply the regular brakes. Then apply your parking 4. Stop and have someone pick up and store the chocks. brake, and then shift to PARK (P). 5. Release the regular brakes.