Mazda Mazda3 2019 Owner's Manual page 258

When Driving
i-ACTIVSENSE
NOTE
In the following cases, the warnings and
brakes may not operate even if your
vehicle starts closing in on the vehicle
ahead.
You are driving your vehicle at the same

speed as the vehicle ahead.
Directly after the MRCC with Stop &

Go function system has been set.
Directly after the accelerator pedal is

released.
Another vehicle cuts into the driving

lane.
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