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: Front upper arm inspection
1. Remove the upper arm from the vehicle.
2. Inspect for damage, cracks, and bending.
3. Inspect the ball joint rotation torque.
(1) Rotate the ball joint five times.
(2) Measure the rotation torque using a suitable allen socket and a
torque wrench.
If not within the specification ...
Mazda 6 Service Manual: Traffic Sign Display Indication
The following traffic signs are displayed on the active driving display.
Speed limit signs
Do not enter signs
Stop signs
The above indications are some examples.
NOTE
Speed limit signs
When the vehicle speed is about 1 km/h (0.6 mph) or faster, the speed
limit sign is displayed wh ...