1999 Cadillac Catera Owner's Manual - Page 231

yellowblue 5. Position the jack under the vehicle. The base of the jack must line up vertically with the hoisting notch (jack contact point) on the vehicle's frame, nearest the flat tire. Make sure that the base is flat against the ground in order to have enough clearance to turn the jack handle. Then, raise the jack lift head until it is firmly set into the hoisting notch. 5-23