Jeep 2004 Grand Cherokee - Manual (Page 238)

CHANGING A FLAT TIRE
Jack And Lug Wrench Locations
The three piece tool set, consisting of two snap-together
extensions that operate the jack and a wheel wrench that
also is used as a crank for the jack, is stored under the
right rear seat. The scissor-type jack is located under the
left rear seat.
To remove the jack from its stowage position, turn the
wing nut counterclockwise to loosen the jack assembly,
and then remove it.
238 WHAT TO DO IN EMERGENCIES