Jeep 2014 Grand Cherokee Owner's Manual page 550

548 WHAT TO DO IN EMERGENCIES
5. For a rear tire, place the jack in the slot on the rear
tie-down bracket, just forward of the rear tire (as
indicated by the triangular lift point symbol on the sill
molding). Do not raise the vehicle until you are sure
the jack is fully engaged.
Lift Point Symbol On Sill Molding
Rear Jacking Location