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.9 tcs off light stays on more than 4 seconds with ignition switch on
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 connectors, terminals and ...
Mazda 6 Owners Manual: Fuel Requirements
Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL,
which will reduce exhaust emissions and keep spark plug fouling to a minimum.
This vehicle will perform best with fuel listed in the table.
* U.S. federal law requires that octane ratings be posted on gasoline st ...