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2021 Ford F-150 Owners Manual - Active Drive Assist



Active Drive Assist

Active drive assist keeps your vehicle centered in the lane when using adaptive cruise control.

Active drive assist uses cameras to monitor your vehicle position within a lane and applies steering support to keep your vehicle centered in the lane.

When active, active drive assist uses a driver facing camera and infrared lighting to monitor your eyes and head position to detect if you are distracted. If the system determines you are distracted, it alerts you to return your eyes to the road.

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    Lighting area.
    Camera.

Note: When active drive assist is active, in certain crash or near crash-like situations, such as an air bag deployment or hitting a road obstacle, camera data may be recorded through the vehicle event data recorder. See Event Data (page 27).

Note: No data is recorded under normal driving conditions.

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Active drive assist only activates when all of the following occur:

• Active drive assist is enabled in your information and entertainment screen. See Active Drive Assist Settings (page 292).

• Adaptive cruise control is on.

• The system detects both lane markings.

• Your hands are on the steering wheel.

• Your eyes are on the road.

Any of the following conditions could result in active drive assist not operating correctly:

• Your vehicle is not centered in the lane.

• The lane is too narrow or too wide.

• The system does not detect at least one lane marking or when lanes merge or split.

• Limited steering torque input is applied.

• Using the system in areas under construction.

• When modifications to the steering system have been made.

• When using a spare tire.

• If you have a pre-existing eye condition, such as an eye misalignment, or have had eye surgery.

Note: The steering assistance is limited and may not be sufficient for all driving situations.

Note: In exceptional conditions, the system could deviate from the center line.

Note: The information provided by the navigation map data could be inaccurate or out of date.

    Press Features on the touchscreen.
    Press Driver Assistance.
    Press Cruise Control.
    Press Lane Centering Assist.

The controls are on the steering wheel.

Using the adaptive cruise control and lateral support buttons, ensure both systems are active. Active drive assist activates.

Press either the lateral support or adaptive cruise control button when system is active or in standby mode.

Active drive assist turns off through each ignition cycle.

When active drive assist is providing hands-on driving and detects no steering activity for a certain period of time, the system alerts you to put your hands on the steering wheel.

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When active drive assist is providing hands-on driving and detects you are not looking at the road for a certain period of time, the system alerts you to return your eyes to the road.

If you do not react to the warnings, active drive assist cancels, quickly activates and releases the brakes, and slows your vehicle down to low speeds while maintaining steering control.

If your vehicle slows down and you resume control, a message appears to prompt you to press the accelerator pedal to allow the system to resume.

Note: The system disables until the next key cycle if repeated inactivity is detected.

When an external condition cancels active drive assist, for example, no lane markings available, a tone sounds and a message appears in the instrument cluster.

If your vehicle starts to slow down, you must take control of steering and press and release

the button to reactivate active drive assist.

System cancellation can also occur if:

    The lane becomes too narrow.
    The system cannot detect valid lane markings.
    Lane markings are crossed.
    Your eyes are not on the road or your hands are not the steering wheel.

If you have your hands on the steering wheel and your eyes are on the road when the feature is active and a cancellation occurs, the system sounds a tone and displays a cancelled graphic in the instrument cluster.

If you are not paying attention to the road or your hands are not on the steering wheel and a cancellation occurs, the system will display a message and a tone sounds until you resume control. If you do not resume control in time, active drive assist quickly activates and releases the brakes, and slows your vehicle down to low speeds while maintaining steering control. If your vehicle slows down and you resume control, a message appears to prompt you to press the accelerator pedal to allow the system to resume.

Note: The system disables until the next key cycle if repeated inactivity is detected.

When on, the color of the indicator changes to indicate the status.

Gray indicates active drive assist is on but inactive.

Green indicates active drive assist is active and applying continuous steering support.

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When this indicator is present, you must keep your hands on the steering wheel.

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Depending on your vehicle options and instrument cluster type, not all messages display or are available.

Message

Action

Keep Hands on Steering Wheel

Make sure you return your hands to the steering wheel and provide steering input.

Resume Control

The system is going to cancel and you must take control.

Watch the Road

Return your attention to the road.

Active Drive Assist Not Available

Conditions exist preventing the system from being available. If the message continues to display, have the system checked as soon as possible.

Press Accelerator Pedal to Resume

Press the accelerator pedal and follow the prompts.

Note: Certain messages could be abbreviated or shortened depending on which cluster type you have.

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