Mazda CX-30 2020 Owner's Manual page 283

NOTE
If a vehicle ahead is detected while travelling at a constant speed, the

vehicle-ahead indication is displayed and headway control is performed.
Additionally, when a vehicle ahead is no longer detected, the vehicle-ahead
indication turns off and the system switches back to travel at constant speed.
The lowest possible speed which can be set on the MRCC system is 30 km/h (19

mph).
Headway control is not possible if the vehicle ahead is driving faster than your

vehicle's set speed. Adjust the system to the desired vehicle speed using the
accelerator pedal.
How to set the distance-between-vehicles during headway control
The distance-between-vehicles can be set to 4 levels; Long, medium, short, and
extremely short distance.
The distance-between-vehicles is set to a shorter distance by pressing the CANCEL
switch down. The distance-between-vehicles is set to a longer distance by pressing
the CANCEL switch up.
Distance-between-vehicles
guideline
(at 80 km/h (50 mph) vehicle
speed)
Long (about 50 m (164 ft))
Medium (about 40 m (131 ft))
Short (about 30 m (98 ft))
Indication on multi-information
display
i-ACTIVSENSE
Indication on active driving dis-
*1
play
When Driving
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