1. Remove the air hose. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
2. Disconnect the vacuum hose from the VIS shutter valve actuator.

3. Connect a vacuum pump to the VIS shutter valve actuator.
4. Apply vacuum and verify that the rod moves.

Idle air control (iac) valve inspection
Variable intake-air system (vis) control solenoid valve inspection (l3)Mazda 6 Service Manual: Locking, Unlocking with Door- Lock Knob
Operation from inside
To lock any door from the inside, press the door-lock knob.
To unlock, pull it outward. This does not operate the other door locks.
NOTE
The red indication can be seen when the door-lock knob is unlocked.
Operation from outside
To lock the rear and front passenger doo ...
Mazda 6 Service Manual: Component Parts
Microphone (hands-free)
The microphone is used for speaking voice commands or when making a Hands-free
call.
Talk button, Pick-Up button and Hang-Up button (hands-free)
The basic functions of Bluetooth® Hands-Free can be used for such things as making
calls or hanging up using the talk, pi ...