This indicator light stays on for a few seconds when the ignition is switched ON. It also illuminates when the DSC OFF switch is pressed and TCS/DSC is switched off.
Refer to DSC OFF Switch.
If the light remains illuminated and the TCS/DSC is not switched off, take your vehicle to an Authorized Mazda Dealer.
The DSC may have a malfunction.
Mazda 6 Owners Manual: Center panel module disassembly/assembly
Caution
Before disassembling the center panel module, spread a cloth on the floor to
put the disassembled parts on. This protects the surface of the panel from
scratches or dirt.
1. Remove the center panel module. (See CENTER PANEL MODULE
REMOVAL/INSTALLATION.)
2. Remove in the order i ...
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.
...