1. Remove the clamps and vacuum hose.
2. Apply both suction and pressure to the engine-side hose, and verify that air blows only toward that side.

Air bleeding
Brake pedal inspectionMazda 6 Service Manual: Basic power window system inspection
Manual Mode Function Inspection
Automatic Mode Function Inspection
Automatic Window Return Function Inspection
IG OFF Timer Function Inspection
Two-step Down Function Inspection
The distance the door glass opens can be changed using the two-step down
function. (Approximately 20- ...
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 ...