Ford 2011 Navigator Owner's Manual page 206

Tires, Wheels and Loading
• Example only:
WARNING: Exceeding the Safety Compliance Certification Label
vehicle weight rating limits could result in substandard vehicle
handling or performance, engine, transmission and/or structural
damage, serious damage to the vehicle, loss of control and personal
injury.
206
2011 Navigator (nav)
Owners Guide, 1st Printing
USA (fus)