See also:

Maintenance
• Keep tires properly inflated and use only recommended size. • Operating a vehicle with the wheels out of alignment will reduce fuel economy. • Use recommended engine oil. Refer to Maintenance pr ...

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 ...

Hilly condition usage
It is recommended that the driver select a lower gear position when ACC is active in situations such as prolonged downhill driving on steep grades (i.e., driving in mountainous areas). In these si ...