Mazda 3 Owner's Manual page 219

When Driving
Mazda Radar Cruise Control (MRCC)
Mazda Radar Cruise Control (MRCC) Display Indication
The setting status and operation conditions of the Mazda Radar Cruise Control (MRCC)
system are indicated in the active driving display.
Close Proximity Warning
If your vehicle rapidly closes in on
the vehicle ahead because the vehicle
applies the brakes suddenly while you are
traveling in headway control, the warning
sound activates and the brake warning is
indicated in the display. Always verify
the safety of the surrounding area and
depress the brake pedal while keeping
a safe distance from the vehicle ahead.
Additionally, always keep a safe distance
from the vehicles behind you.
NOTE
When the active driving display is closed,
only the warning sound activates to alert.
4–94
Vehicle ahead display
MRCC Distance between vehicle display
MRCC Set vehicle
speed