See also:

First generation (1998–2002)
The 1998 Navigator introduced the concept of the American luxury SUV, competing at first with only the Land Rover Range Rover. It was trimmed with leather, wood, and fine carpeting, but its humble ...

Special Operating Condition Log
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Intelligent Oil Life Monitor
Your vehicle is equipped with an Intelligent Oil Life Monitor that determines when the engine oil should be changed based on how your vehicle is used. By using several important factors in its cal ...