Ford Mustang Owner's Manual page 93

Driver Controls
Storing the boot
1. Position the boot right-side up and fold each side of the boot inward.
2. Turn the boot upside down and fold the left side of the boot inward.
3. Fold the right side inward and secure the boot with the strap.
Stow the boot in the trunk.
Raising the convertible top
The convertible top will not operate unless the vehicle is traveling
under 3 mph (5 km/h).
93
2012 05+ Mustang (197)
Owners Guide, 3rd Printing
USA (fus)