See also:

Tire replacement requirements
Your vehicle is equipped with tires designed to provide a safe ride and handling capability. WARNING: Only use replacement tires and wheels that are the same size, load index, speed rating and ty ...

Safety and environment protection
Warning symbols in this guide How can you reduce the risk of personal injury to yourself or others? In this guide, answers to such questions are contained in comments highlighted by the warning t ...

Performance
A big SUV is all about imposing looks and a muscular engine. The Navigator has the looks part down, but the 300-horsepower V-8 engine seems woefully lacking in the power department, especially at ...