Jeep grand cherokee 2015 Owner's Manual page 578

576 WHAT TO DO IN EMERGENCIES
Jack Warning Label
CAUTION!
Do not attempt to raise the vehicle by jacking on
locations other than those indicated in the Jacking
Instructions for this vehicle.
1. Remove the spare tire, jack, and tools from storage.
2. Loosen (but do not remove) the wheel lug nuts by
turning them to the left, one turn, while the wheel is
still on the ground.
3. Assemble the jack and jacking tools.
Jack And Tool Assembly