1. Remove the aerodynamic under cover No.2..
2. Peel off the front mudguard..
3. Remove the bolts and fastener.

4. Remove the aerodynamic under cover No.1 in the direction of the arrow shown in the figure.
CAUTION:
Be careful not to damage the aerodynamic under cover No.1 during removal.
5. Install in the reverse order of removal.
Aerodynamic Under Cover No.2 Removal/InstallationPower Brake Unit Removal/Installation [Mzr 2.0, Skyactiv G 2.0, Mzr 2.5]
CAUTION:
Once the brake switch clearance has automatically been adjusted, it cannot
be adjusted again. Therefore, replace the switch with a new one when replacing
the power brake unit or performing any procedure that changes the pedal stroke.
Secure the steering wheel using tap ...
Contact Authorized Mazda Dealer and Have Vehicle Inspected
If any of the following warning lights or the indicator light turns on/flashes, the system may
have a malfunction. Contact an Authorized Mazda Dealer to have your vehicle
inspected.
...
Rear Power Window Regulator Removal/Installation
1. Fully lower the rear door glass.
2. Disconnect the negative battery cable..
3. Remove the rear door trim..
4. Remove the service hole cover.
5. Remove the rear door speaker..
6. Remove the glass guide..
7. Remove the rear power window motor..
8. Remove the rear door glass..
9. ...