See also:

Understanding your tire pressure monitoring system (TPMS)
The tire pressure monitoring system measures pressure in your four road tires and sends the tire pressure readings to your vehicle. The low tire pressure warning light will turn on if the tire pre ...

Second generation (2003–2006)
The Navigator was updated in 2003, along with the Ford Expedition, on the new Ford U platform. The interior was also substantially revised to bring it up to the level expected by luxury buyers. So ...

Turning off speed control
To turn off the speed control, press OFF or turn off the ignition. Note: When you turn off the speed control or the ignition, your speed control set speed memory is erased. ...