Mazda 6 Owners Manual: Fog Lights (Some models)
The fog lights can be turned on with the ignition switched ON and the headlights turned on.
Use this switch to turn on the fog lights. The fog lights will improve visibility at night and during foggy conditions.
The fog lights turn on when the fog light switch is turned to the
position and turn off when the switch is turned
to the 
position.
NOTE
The fog lights will turn off when the headlights are set at high beams.
Daytime Running Lights
Some countries require moving vehicles to have their lights on (daytime running
lights) during the daytime. The daytime running lights turn on when the vehicle
is driven and turn off when the park ...
Turn and Lane-Change Signals
The ignition must be switched ON to use the turn and lane-change signals. ...
Other materials:
Mazda 6 Owners Manual: No.5 tcs off light does not illuminate with ignition switch on
Diagnostic procedure
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunction. If there
is a problem, check to make sure co ...
Mazda 6 Owners Manual: Dual proportioning valve replacement (without abs)
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
Dual Proportioning Valve Installation Note
Install the dual proportioning valve so that the R mark faces the left side
of the vehicle.
...