The Smart City Brake Support (SCBS) system alerts the driver of a possible collision using an indication in the display and a warning sound when the Forward Sensing Camera (FSC) detects a vehicle ahead and determines that a collision with a vehicle ahead is unavoidable while the vehicle is being driven at a vehicle speed of about 4 to 80 km/h (2 to 50 mph). In addition, the system reduces damage in the event of a collision by operating the brake control (SCBS brake) when the system determines that a collision is unavoidable while the vehicle is being driven at a vehicle speed of about 4 to 30 km/h (2 to 18 mph). It may also be possible to avoid a collision if the relative speed between your vehicle and the vehicle in front of you is less than about 20 km/h (12 mph). In addition, when the driver depresses the brake pedal while the system is in the operation range at about 4 to 30 km/h (2 to 18 mph), the brakes are applied firmly and quickly to assist. (Brake Assist (SCBS brake assist))

WARNING
Do not rely completely on the Smart City Brake Support (SCBS) system:
CAUTION
When driving off-road in areas where there is dense grass, it is recommended that the Smart City Brake Support (SCBS) system be turned off.
In the following cases, turn the system off to prevent a mis-operation:
NOTE
The vehicle speed is about 4 to 80 km/h (2 to 50 mph).
The vehicle speed is about 4 to 30 km/h (2 to 18 mph).
If the vehicle is stopped by the SCBS operation and the clutch pedal is not depressed, the engine stops.
Lane Departure Warning
Smart City Brake Support (SCBS) Indicator Light (Red) (Type B Instrument Cluster)Mazda 6 Owners Manual: Reassembly
Standard values, such as torques and certain adjustments, must be
strictly observed in the reassembly of all parts.
If removed, these parts should be replaced with new ones:
- Oil seals
- Gaskets
- O-rings
- Lockwashers
- Cotter pins
- Nylon nuts
Depen ...
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
...