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 safer distance from the vehicle ahead.
Additionally, always keep a safer distance from the vehicles behind you.

Mazda Radar Cruise Control (MRCC) Display Indication
Setting the SystemMazda 6 Owners Manual: Abs (abs/tcs) or dsc hu/cm configuration
1. Connect the WDS or equivalent to the DLC-2.
2. Input vehicle information following the direction on the WDS or equivalent
screen.
3. Select Module programming.
4. Select Programmable module installation.
5. Select ABS/TCS.
6. Retrieve DTCs by the WDS or equivalent, then verify that there ...
Mazda 6 Owners Manual: Battery
WARNING
Wash hands after handling the battery and related accessories: Battery
posts, terminals and related accessories contain lead and lead compounds, chemicals
known to the State of California to cause cancer and reproductive harm.
Read the following precautions
carefully before using th ...