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Home >> Lincoln >> 2022 >> Navigator Base, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrumentation, Message Center And Warning Chimes (Description And Operation) >> Description And Operation >> Head Up Display (HUD) - System Operation and Component Description >> HUD Displays

HUD Displays

Advanced Driver Assist System 

The active driver assist system display is located in the lower portion in the center of the HUD just above the speedometer display area.

The HUD provides the active driver assist display to indicate the following:

BLIS/ CTA 

The HUD provides BLIS and CTA indicators to warning the driver that a vehicle has entered the BLIS/ CTA monitored zones. The BLIS/ CTA indication is displayed in the LH and RH sides of the HUD. The display area is also shared with the LH, RH and hazard indication area. If the turn or hazard indicators are on and a BLIS/ CTA alert is received, the HUD turns off the turn or hazard indication and displays the applicable BLIS/ CTA warning.

Clock 

The HUD provides a clock display that is controlled by a global vehicle clock strategy in the BCM. The clock is displayed in lower RH corner of the HUD.

Cruise Control/ACC And Stop And Go 

The normal cruise control display provides the cruise control RTT indicator and the set speed display shown below it.

The ACC display provides the gap and follow distance (as a graphical distance display) as well as the set speed (shown below the ACC RTT indicator).

The stop and go feature (part of the ACC) provides vehicle braking, stopping and accelerating based on the status of the vehicle in front. The display provides a graphical distance display with increasing or decreasing levels of fill depending on the vehicles distance from the followed vehicle.

Digital Speedometer 

The HUD provides a digital speed display in the lower center of the display to indicate vehicle speed. When the digital speedometer is selected on in the HUD, the speedometer in the IPC only shows a minimal detail. The HUD module uses the vehicle speed display and metric display messages from the IPC to control the display.

Distance Indication 

The advanced driver assist system display provides a distance indication as part of the ACC displays to indicate the distance to the vehicle in front and visually provide warning when the vehicle is too close. The graphical distance display on the road becomes a solid image that increases or decreases fill based on the distance to the vehicle in front. As the vehicle approaches a distance requiring an alert, the display fill turns from amber to red. Distance indication is part of the advanced driver assist system.

DTE - Low Fuel 

The HUD provides a DTE display that ranges from 0 to 999 km/miles in the lower LH corner of the HUD. The display provides both the DTE and a low fuel warning that changes the fuel icon from white to amber. The HUD module uses the fuel range display and fuel level warning messages from the IPC to control the display.

Highway Assist 

The HUD provides a steering wheel and a highway image in the LH side of the HUD, above the DTE display, to indicate the highway assist feature is active. The center display will show a vehicle and lane markings that will change colors from blue to amber to red on the each side of the lane to alert the driver intervention is required in order to maintain control of the vehicle. The highway assist system allows the driver to remove hands from the steering wheel for a limited period of time in certain driving conditions, while the vehicle maintains its position within the driving lane. The highway assist is part of the advanced driver assist system.

Infotainment-Navigation And Phone 

The HUD provides audio, navigation and phone information. The HUD receives the audio-navigation switch button states message from the SCCM to control the audio-navigation displays. For additional audio, navigation and phone information, Refer to: Information and Entertainment System - System Operation and Component Description .

The HUD receives the voice recognition status message from the APIM.

The HUD module receives the audio source status and audio system response status messages from the ACM (except China) and the APIM (China DuerOS only).

Lane Centering Aid 

The HUD provides a center graphic with a steering wheel within lane markings, and a vehicle graphic if a follow vehicle is detected. The lane markings will change colors from blue to amber to red on each side of the lane to alert the driver to remain within the center of the drive lane. A message will pop up in the upper information bar to keep hands on steering wheel if the system detects the driver's hands are removed from the steering wheel. The lane centering aid is part of the advanced driver assist system.

Lane Keeping System 

The lane keeping system combines the lane keeping alert and lane keeping assist systems. The lane keeping alert system alerts the driver of unintentional drifting outside of the lane and the lane keeping assist system corrects the vehicle steering to keep the vehicle in the center of the lane. The HUD provides a lane keeping display with a view of the vehicle in the middle of a lane with right and left lane markers to indicate the vehicle position with relation to the lane markings and arrows on either side of the vehicle. The lane markers and arrows change color based on the systems status with regard to vehicle position within the lane and any required intervention to keep the vehicle in the center of the lane. The lane keeping system is part of the advance driver assist system. For additional information on the lane keeping system operation, Refer to: Lane Keeping System - System Operation and Component Description .

Outside Air Temperature 

The HUD provides an outside air temperature display in the lower RH corner of the display above the clock display. The Ambient Air Temperature (AAT) sensor is hardwired to the PCM through separate input and return circuits. The PCM provides a reference voltage to the Ambient Air Temperature (AAT) sensor and monitors the change in voltage resulting from changes in resistance as determined by outside air temperature.

The PCM is programmed to update the messaged outside temperature data at different rates depending on several criteria (current engine temperature, engine off time and vehicle speed) to prevent false temperature displays due to a condition known as heat soaking. Heat soaking is where the outside air temperature is hotter in the location of the Ambient Air Temperature (AAT) sensor than the actual outside air temperature.

The PCM sends the ambient air temperature data to the FCIM. The FCIM sends the filtered ambient air temperature data to the HUD module.

Speed Sign Recognition 

The HUD provides a speed sign display based on the recognized speed limit sign on the current route the vehicle is traveling. The speed sign display indicates the speed limit recognized by the system as the current posted speed limit based on the last posted speed sign recognized. The HUD uses speed sign recognition data provided by the IPMA.

Transmission Gear Indication 

The HUD provides the transmission gear indication display in the lower information bar, on the LH side of the digital speedometer. It indicates PRND or the SelectShift gear position (1-10), as selected by the driver.

Turn Signal (LH/ RH And Hazard) 

The LH, RH turn and hazard indication displayed in the HUD is redundant to the LH, RH turn and hazard indication displayed in the IPC. The HUD displays the LH, RH turn and hazard indication in the upper LH and RH sides of the HUD screens. The display area is also shared with the BLIS indication, which takes precedence over the turn or hazard indication.

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