Buick 1993 LeSabre Owner's Manual page 224

Position the jack under the vehicle. There is a notch i n
I
'
the frame near each of the wheels. Fit the top of the jack
into the notch nearest the wheel with the flat tire.
The jack handle has markings at 8" for the rear; 10"
for the front
to
help you locate'the jacking notches in the
frame.
I
a
CAUTION:
Getting under a vehicle when
it
is jacked up is
I
dangerous.
If
the vehicle slips off the jack, you
could be badly injured or killed. Never get under
a vehicle when it is support€
- I
only I a jack.
the vehicle to fall off the iack. Be
sure
to fit t k