2003 Buick LeSabre Owner's Manual - Page 249
2003 Buick LeSabre Manual
Page 249 highlights
Driving On Grades Reduce speed and shift to a lower gear before you start down a long or steep downgrade. If you don't shift down, you might have to use your brakes so much that they would get hot and no longer work well. On a long uphill grade, shift down to THIRD (3) and reduce your speed to around 45 mph (70 km/h) to reduce the possibility of engine and transaxle overheating. But if you ever have to park your rig on a hill, here's how to do it: Parking on Hills 1 . Apply your regular brakes, but don't shift into PARK (P) yet. 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 brake, and then shift to PARK (P). 5. Release the regular brakes. Youreal shepark yourvehic . wi-.. 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. ~~~ ~~ ~~ 4-42