ICUC Alert Messages
Alert messages include warnings, cautions, and notices that require the driver’s attention. The header text and color indicates the priority of the on-screen message, listed from the highest to the lowest:
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Warning (red)
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Caution (amber)
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Informational (blue, green, white, and grey)
Warnings alert the driver to situations or conditions that may pose a threat to control of the vehicle. Follow all instructions given in the message.
Cautions alert the driver to situations or conditions that may result in damage to vehicle components or a derating of engine power.
Informational notices alert the driver to situations or conditions that may affect vehicle performance.
For typical alert messages.See Fig.
Fig. 1, Sample Alert Messages
Watch for Ice Alert
When ambient air temperature drops below 34°F (1°C), a Watch For ICE caution, as shown in Fig. will appear. To acknowledge and dismiss the caution message, press the back button in the left-hand steering wheel switch pod. A 34°F (1°C) temperature will also trigger the appearance of a snowflake telltale next to the temperature display. The snowflake telltale will display until the ambient air temperature rises to 37°F (3°C).
Fig. 2, ICUC Watch for Ice Popup
If the temperature drops below 34°F (1°C) after rising above 37°F (3°C), the Watch For ICE popup and snowflake will reappear.