The mirror defoggers defrost the outside mirrors.
The mirror defoggers operate in conjunction with the rear window defogger.
To turn on the mirror defoggers, switch the ignition ON and press the rear window defogger switch.
Manual Climate Control

Fully Automatic Climate Control

Rear Window Defogger
HornMazda 6 Owners Manual: Bonnet removal/installation
Warning
Removing the bonnet without supporting can be dangerous. The
bonnet may fall and injure you. Always perform the following procedure with
at least another person.
1. Disconnect the windshield washer hose.
2. To remove the bonnet hinge, remove the front fender panel.
3. To remov ...
Mazda 6 Owners Manual: Variable air duct (vad) shutter valve inspection (l3)
1. Remove the air cleaner case. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
2. Disconnect the vacuum hose from the VAD shutter valve actuator.
3. Connect a vacuum pump to the VAD shutter valve actuator.
4. Apply vacuum and verify that the rod moves.
If the rod dose not move, replace the a ...