Chevrolet 2005 Cavalier Owner's Manual page 280

4. Locate the notch that is near each wheel well in the
frame which the jack head fits in. The front notch is
9 inches (23 cm) back from the front wheel well.
The rear notch is 8 inches (20 cm) forward from the
rear wheel well.
As is shown in the diagram above, if your vehicle
has flared side moldings, both front and rear
notches are 18 inches (46 cm) from the wheel wells.
5. Position the jack and raise the jack head until it fits
firmly into the notch in the vehicle's frame nearest
the flat tire. Put the compact spare tire near you.
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CAUTION:
{
Getting under a vehicle when it is jacked up
is dangerous. If the vehicle slips off the jack
you could be badly injured or killed. Never
get under a vehicle when it is supported only
by a jack.
CAUTION:
{
Raising your vehicle with the jack improperly
positioned can damage the vehicle and even
make the vehicle fall. To help avoid personal
injury and vehicle damage, be sure to fit the
jack lift head into the proper location before
raising the vehicle.