When you need a sunvisor, lower it for use in front or swing it to the side.

Side Extension Sunvisors (Some models)
The visor extender extends the sunvisor's range of sun shading.
To use, pull it out.

CAUTION
When moving the sunvisor, retract the visor extender to its original position. Otherwise, the visor extender could hit the rearview mirror.
Vanity MirrorsMazda 6 Owners Manual: Inboard combination light removal/installation
1. Disconnect the negative battery cable.
2. Remove the trunk lid trim (liftgate lower trim). (See TRUNK LID TRIM
REMOVAL/INSTALLATION) (See LIFTGATE LOWER TRIM REMOVAL/INSTALLATION)
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
Inboard Combinat ...
Mazda 6 Owners Manual: Dual proportioning valve inspection (without abs)
1. Connect the SSTs to the brake pipes as shown in the figure.
2. Bleed the air from the brake system.
3. Measure the fluid pressure of the master cylinder and the rear brake.
If not within the specification, replace the dual proportioning valve.
Fluid pressure
...