1. Fully close the glass panel.
2. Fully open the sunshade.
3. Remove the screws, and then remove the glass panel.

4. Peel the weatherstrip off the glass panel.

5. Install in the reverse order of removal.
6. Adjust the glass panel. (See GLASS PANEL ADJUSTMENT.)
Deflector removal/installation
Glass panel adjustmentMazda 6 Service Manual: Center panel module removal/installation
1. Cancel the anti-theft operation. (with anti-theft system) (See ANTI-THEFT
SYSTEM.)
2. Disconnect the negative battery cable.
3. Remove the glove compartment.
4. Remove the rear console.
5. Remove in the order indicated in the table.
6. Install in the reverse order of removal.
Caution
...
Mazda 6 Service Manual: Manually Shifting Down
You can shift gears down by operating the selector lever or the steering shift
switches (some models).
M6 → M5 → M4 → M3 → M2→ M1
Using selector lever
To shift down to a lower gear, tap the selector lever forward (-) once.
Using steering shift switch (Some model ...