The Smart City Brake Support (SCBS) system can be temporarily deactivated.
When the Smart City Brake Support (SCBS) system is turned off, the Smart City Brake Support (SCBS) OFF indicator light turns on.

When the engine is restarted, the system becomes op onal.
Automatic Brake Operation Display (Type A Instrument Cluster)
Smart Brake Support (SBS) (Some models)Mazda 6 Owners Manual: Tire Pressure Monitoring System Initialization
In the following cases, system initialization must be performed so that the system
operates normally.
A tire pressure is adjusted.
Tire rotation is performed.
A tire or wheel is replaced.
The battery is replaced or completely drained.
The tire pressure monitoring system warning light i ...
Mazda 6 Owners Manual: Dsc hu/cm inspection
1. Remove the battery and battery bracket.
2. Disconnect the DSC HU/CM connector.
3. Connect the SST (49 G066 004) to the DSC HU/CM connector and
harness side connector.
4. Inspect voltage referring the table below.
Terminal Voltage Table (reference value)
(Ignition switch is at ON, and conne ...