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: If You Must Use the Front Seat for Children
If you cannot put all children in the rear seat, at least put the smallest children
in the rear and be sure the largest child up front uses the shoulder belt over the
shoulder.
NEVER put a rear-facing child-restraint system on the front passenger seat whether
your vehicle is equipped with a o ...
Mazda 6 Owners Manual: Disconnection of the negative battery cable
Before beginning any work, turn the ignition switch to LOCK position,
then disconnect the negative battery cable and wait for more than 1 minute
to allow the backup power supply of the SAS unit to deplete its stored
power. Disconnecting the battery cable will delete the memories of the
...