2001 Buick LeSabre Owner's Manual - Page 263

3. Turn the wheel wrench counterclockwise to lower the jack head until it fits under the vehicle. 4. Put the jack into a notch in the frame which is located near each wheel well. The front notch is eight inches (20 cm) back from the front wheel well. The rear notch is three inches (8 cm) forward from the rear wheel well. The notches are accessible through openings in the plastic trim at the bottom of the vehicle. Position the jack and raise the jack head until it fits firmly on the ridge in the vehicle's frame nearest the flat tire. Do not raise the vehicle yet. Put the compact spare tire near you. 5-22