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: Warning Indication/Warning Lights
These lights turn on or flash to notify the user of the system operation status
or a system malfunction.
*1 The light turns on when the ignition is switched on for an operation check,
and turns off a few seconds later or when the engine is started. If the light does
not turn on or remai ...
Mazda 6 Owners Manual: Interior Equipment (View A)
1 - Door-lock knob 2 - Lighting control 3 - Turn and lane-change signal
4 - Wiper and washer lever 5 - Tire pressure monitoring system set switch 6
- DSC OFF switch 7 - Lane-keep Assist System (LAS) & Lane Departure Warning System
(LDWS) OFF switch 8 - Outside mirror switch 9 - Door-lock ...