See also:

Turn signal control
The turn signal lever does not mechanically lock in the upward or downward position when activated. The turn signal control activation and cancellation is electronic. • To operate the left turn ...

Engine data
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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 ...