FORD 2012 Shelby GT 500 v.3 - Manual (Page 197)

Example only:
Cargo Weight – includes all weight added to the Base Curb Weight,
including cargo and optional equipment. When towing, trailer tongue load
weight is also part of cargo weight.
Tires, Wheels and Loading
197
2012 05+ Mustang (197)
Owners Guide, 3rd Printing
USA (fus)