1. Disconnect the negative battery cable.
2. Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION)
3. Disconnect the ignition switch connectors.
4. Inspect for continuity between the ignition switch terminals using an ohmmeter.


Ignition switch removal/installation
Key reminder switch removal/installationMazda 6 Service Manual: Operation
System triggering conditions
The horn sounds intermittently and the hazard warning lights flash for about
30 seconds when the system is triggered by any one of the following:
Unlocking a door with the key, door lock switch, or an inside door-lock
knob.
Forcing open a door, the hood or th ...
Mazda 6 Service Manual: Front fender panel
FRONT FENDER PANEL REMOVAL/INSTALLATION
1. Disconnect the negative battery cable.
2. Remove the front side turn light.
3. Remove the fender molding. (See COWL GRILLE REMOVAL/INSTALLATION.)
4. Remove the front bumper. (See FRONT BUMPER REMOVAL/INSTALLATION.)
5. Remove the front combination light ...