Owner's Manual
Page 202
Fit the lift head into the notch nearest the wheel with the flat tire. Don't remove them yet. 200 1 FRONT Position the jack under the vehicle. Using the wheel wrench, loosen all the wheel nuts. REAR If you have a Gran Sport Coupe, remove a rocker panel extension section to expose the place where the jack fits. Your Buick has a notch on the frame near each of the wheels.
Fit the lift head into the notch nearest the wheel with the flat tire. Don't remove them yet. 200 1 FRONT Position the jack under the vehicle. Using the wheel wrench, loosen all the wheel nuts. REAR If you have a Gran Sport Coupe, remove a rocker panel extension section to expose the place where the jack fits. Your Buick has a notch on the frame near each of the wheels.