i think there is a way to deactivate it. look at the owners manual. of course, its kind of a good idea to wear the belt...
2006 Jeep Grand Cherokee Laredo (WK) 28E
4.7 V8, Quadra-Trac II, Black Exterior, Light Khaki Interior
Upgraded: Mopar Sport Utility Crossbars
2008 Jeep Patriot Sporkt (MK) 26E
2.4L, CVVTII, 2WD, Black Exterior, Dark Gray Interior