Dodge 2007 Ram 2500 - Manual (Page 172)

WARNING!
To avoid inhaling carbon monoxide, which is deadly,
the exhaust system on vehicles equipped with “Cap
or Slide-In Campers” should extend beyond the
overhanging camper compartment and be free of
leaks.
TAILGATE SUPPORT STRAP ATTACHMEN
172 UNDERSTANDING THE FEATURES OF YOUR VEHICLE