WARNING: This page is about a different car, the 2009 Jeep Patriot and 2009 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
OBJECT HOLDING ELECTRONIC BACK LIGHT (EBL) MODE SWITCH IN A PUSHED POSITION
SUBSTANCE CAUSING EBL MODE SWITCH TO GET STUCK IN A PUSHED POSITION