Honda HR-V 2020 Owner's Manual page 484

uuHonda Sensing® * uAdaptive Cruise Control (ACC)
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.
The higher your vehicle's following-speed is, the longer the short, middle, long or
extra long following-interval becomes. See the following examples for your
reference.
Vehicle Interval
Short
Middle
Long
Extra
Long
482
When the Set Speed is:
50 mph (80 km/h) 65 mph (104 km/h)
86.7 feet
26.4 meters
1.2 sec
112.9 feet
34.4 meters
1.5 sec
157.2 feet
47.9 meters
2.2 sec
220.2 feet
67.1 meters
3.0 sec
100.5 feet
30.6 meters
1.1 sec
137.4 feet
41.9 meters
1.5 sec
200.0 feet
61.0 meters
2.1 sec
282.7 feet
86.2 meters
3.0 sec