Lincoln Nautilus Manuals

Lincoln Nautilus: Seatbelt Systems / Seatbelt Systems - System Operation and Component Description. Description and Operation

Lincoln Nautilus 2018-2024 Service Manual / Body and Paint / Body and Paint / Seatbelt Systems / Seatbelt Systems - System Operation and Component Description. Description and Operation

System Operation

Emergency Locking Retractor (ELR)

All retractors have an Emergency Locking Retractor (ELR) mode, which is a vehicle-sensitive feature designed to activate and lock the seat belt webbing during hard braking, cornering, or an impact of approximately 24 km/h (14.9 mph). The Emergency Locking Retractor (ELR) feature helps reduce the forward movement of the driver and passengers. For testing, see Functional Test - Seatbelt Retractor, Road Test Inspection.
Refer to: Seatbelt Systems (501-20A Seatbelt Systems, Diagnosis and Testing).

Automatic Locking Retractor (ALR)

The Automatic Locking Retractor (ALR) mode is used when locking a child seat in any passenger seating position. The Automatic Locking Retractor (ALR) mode automatically activates when the seatbelt webbing is fully extracted from the retractor and then allowed to retract. As the seatbelt webbing retracts back onto the spool, an audible clicking sound is made, indicating the seatbelt retractor is in Automatic Locking Retractor (ALR) mode and the seatbelt webbing cannot pull back out of the seatbelt retractor. The Automatic Locking Retractor (ALR) mode disengages when the webbing is allowed to fully retract back into the retractor. For testing, see Functional Test - Seatbelt Retractor, Automatic Locking Retractor (ALR) Mode.
Refer to: Seatbelt Systems (501-20A Seatbelt Systems, Diagnosis and Testing).

Seatbelt Warning Chime and Indicator

For seatbelt warning chime and indicator operation,
Refer to: Instrument Panel Cluster (IPC) (413-01A) .

To diagnose the seatbelt warning chime and indicator,
Refer to: Instrumentation, Message Center and Warning Chimes (413-01A) .

Belt-Minder®

For Belt-Minder® operation,
Refer to: Warning Chimes (413-01A) .

To diagnose the Belt-Minder® feature,
Refer to: Instrumentation, Message Center and Warning Chimes (413-01A) .

To activate or deactivate the Belt-Minder® feature,
Refer to: Seatbelt Minder Deactivating/Activating (413-01 Instrumentation, Message Center and Warning Chimes, General Procedures).

Rear Occupant Alert System

The rear occupant alert system notifies through visual and audible notifications to check for potential rear seat occupants when the ignition is switched off. This feature is activated through the opening and closing of the rear doors prior to the ignition ON status. This is an operating characteristic of the vehicle and no repairs should be attempted. Refer to the Owner's Literature and rear occupant alert system for system operation and turning the system on and off.

Component Description

Child Safety Seat Tether Anchor

Child safety seat tether anchors are the wires located at the back of the rear seat backrest frame at all rear seating positions.

If a child safety seat was in use during a collision, inspect the child safety seat tether anchor and mounting areas and restore the vehicle to the original production configuration.
Refer to: Seatbelt Procedure After a Collision (501-20A Seatbelt Systems, General Procedures).

Child Safety Seat Tether Anchor - Lower Anchors and Tethers for Children (LATCH)

Lower Anchors and Tethers for Children (LATCH) are the wires that protrude from between where the seat backrest and seat cushion meet.

Lower Anchors and Tethers for Children (LATCH) are part of and serviced with the seat backrest frame.

If a child safety seat was in use during a collision, inspect the LATCH and restore the vehicle to the original production configuration.
Refer to: Seatbelt Procedure After a Collision (501-20A Seatbelt Systems, General Procedures).

    Seatbelt Systems

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    Seatbelt Systems. Diagnosis and Testing

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    Lincoln Nautilus 2018-2024 Service Manual: Diagnostic Trouble Code Charts. Diagnosis and Testing


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    Lincoln Nautilus 2018-2024 Service Manual: In-Vehicle Temperature and Humidity Sensor. Removal and Installation


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    Locating the Pre-Collision Assist Sensors

    Lincoln Nautilus. Locating the Pre-Collision Assist Sensors

    Camera. Radar sensor (if equipped).

    If a message regarding a blocked sensor or camera appears in the information display, something is obstructing the radar signals or camera images. The radar sensor is behind the fascia cover in the center of the lower grille. With a blocked sensor or camera, the system may not function, or performance may reduce. See Pre-Collision Assist – Information Messages.

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