Cadillac 1998 Eldorado Owner's Manual page 269

11 .O INCHES
(279
mm)
1 t -
5.5 INCHES
(140
mm)
3. Position the jack under the vehicle and raise the jack
lift head until it fits firmly
into
the notch
in
the
vehicle's frame nearest the flat tire.
Put the compact spare tire near you.
5-29