Hilly condition usage
It is recommended that the driver select a lower gear position when ACC is active in situations such as prolonged downhill driving on steep grades (i.e., driving in mountainous areas). In these situations, additional engine braking is needed to reduce the load on the vehicle’s regular brake system to prevent them from overheating. For more information, reference Automatic transmission operation in the Driving chapter.
Note: If ACC is applying brakes for an extended period of time, an audible alarm will sound and ACC will shut down. This is to allow the brakes to cool down. When the brakes have cooled down, the ACC will again function normally.
See also:
2007 Lincoln Navigator Review
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Low speed automatic cancellation
ACC is not functional at vehicle speeds below 16 mph (26 km/h). Once
the vehicle speed drops below 16 mph (26 km/h), an audible alarm will
sound and the automatic braking will be released. ...
Aluminum wheels and wheel covers
Aluminum wheels and wheel covers are coated with a clear coat paint
finish. In order to maintain their shine:
• Clean weekly with Motorcraft Wheel and Tire Cleaner, which is
available from your a ...