Chevrolet 1995 Lumina Owner's Manual page 190

I
-.
...
"
.
".
Using the wheel wrench, loosen all the wheel nuts.
Don't remove them yet.
Turn the jack handle clockwise to raise the jack lift head
a
few inches.
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.
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