Pontiac 2008 Grand Prix Owner's Manual page 372

For jacking at the vehicle's rear location, put the
jack lift head (B) about 9 inches (23 cm) from the
front edge of the rear wheel opening (C). Line up the
jack with the arrow (A) as shown.
5. Put the compact spare tire near you.
5-102
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.