Acura ILX 2021 Owner's Manual page 474

uuAcuraWatch TM uAdaptive Cruise Control (ACC)
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To Set or Change Following-interval
Interval Button
472
Press the (interval) button to change the
ACC following-interval.
Each time you press the button, the following-
interval (the interval behind a vehicle detected
ahead of you) setting cycles through extra
long, long, middle, and short following-
intervals.
Determine the most appropriate following-
interval setting based on your specific driving
conditions. Be sure to adhere to any
following-interval requirements set by local
regulation.