If there is the possibility of a collision with a vehicle ahead, the beep sounds continuously and a warning is indicated in the multi-information display and the active driving display.

Smart Brake Support (SBS) (Some models)
Stopping The Smart Brake Support (SBS) System OperationMazda 6 Owners Manual: Brake pedal inspection
Brake Pedal Height Inspection
Verify that the distance from the carpet to the center of the upper surface
of the pedal pad is as specified.
Pedal height (reference value)
Brake Pedal Height Adjustment
1. Loosen locknut B and turn the bolt A until it does not contact the pedal.
2. Loosen l ...
Mazda 6 Owners Manual: Instrument cluster configuration
1. Connect the SST (WDS or equivalent) to the DLC-2.
2. Input vehicle information following the directions on the screen.
3. Select Module programming.
4. Select Programmable module installation.
5. Select the following items and perform procedures according to directions
on the screen.
...