See also:

Readiness for Inspection/Maintenance (I/M) test
A vehicle equipped with Four-Wheel Drive (4WD) should never be tested using a two wheel dynamometer (such as the dynamometers used by some states for emissions testing), or similar equipment. ...

Warning/indicator lights and audible reminders
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Vehicle-to-vehicle distance control mode operation
Always pay attention to the operation of the vehicle and be ready to manually control the proper following distance. The vehicle-to-vehicle distance control mode of the Intelligent Cruise Control ...