FORD 2012 Shelby GT 500 v.3 - Manual (Page 319)

TRANSMISSION CODE DESIGNATIONS
You can find a transmission code on
the Safety Compliance Certification
Label. The following table tells you
which transmission each code
represents.
Description Code
Six-speed manual transmission (MT82) X
Six-speed automatic transmission (6R80) 3
Maintenance and Specifications
319
2012 05+ Mustang (197)
Owners Guide, 3rd Printing
USA (fus)