FORD 2011 Mustang v.1 - Manual (Page 170)

WARNING: Failure to inspect and if necessary replace the
safety belt assembly or child restraint system under the above
conditions could result in severe personal injuries in the event of a
collision.
Seating and Safety Restraints
170
2011 05+ Mustang (197)
Owners Guide, 1st Printing
USA (fus)