See also:

Inspecting your tires and wheel valve stems
Periodically inspect the tire treads for uneven or excessive wear and remove objects such as stones, nails or glass that may be wedged in the tread grooves. Check the tire and valve stems for hole ...

Central locking/Two-stage unlocking
When unlocking the driver door with the key, turn it once toward the rear of the vehicle to unlock that door only, if the two-stage unlocking is enabled. Turn the key a second time to unlock all d ...

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 ...