See also:

Troubleshooting
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System warnings
System warnings alert you to possible problems or malfunctions in your vehicle’s operating systems. In the event of a multiple warning situation, the message center will cycle the display to sh ...

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 si ...