See also:

Emission control system
WARNING: Do not park, idle, or drive your vehicle in dry grass or other dry ground cover. The emission system heats up the engine compartment and exhaust system, which can start a fire. WARNING: ...

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 ...

Windshield washer fluid
Add fluid to fill the reservoir if the level is low. In very cold weather, do not fill the reservoir completely. Only use a washer fluid that meets Ford specifications. Do not use any speci ...