Jeep 2010 Grand Cherokee - Owner Manual - Manual (Page 353)

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 as shown. Connect
jack handle driver (1) to two extensions (2) then to the lug
wrench (3).
4. Locate the jack as shown. For the front axle, place it
under the front lower control arm. Do not raise the
vehicle until you are sure the jack is fully engaged.
Assembling Jack Tools
1 — Jack Handle Driver
2 — Extensions
3 — Wrench
352 WHAT TO DO IN EMERGENCIES