Adjust the head restraint so that the center is even with the top of the passenger's ears.

To raise a head restraint, pull it up to the desired position.
To lower the head restraint, press the stopcatch release, then push the head restraint down.
Front outboard seat

Rear outboard seat

Rear center seat

Head Restraints
Removal/InstallationMazda 6 Owners Manual: Seat Operation
1. Seat Slide
(Manual Seat)
To move a seat forward or backward, raise the lever and slide the seat to the
desired position and release the lever.
Make sure the lever returns to its original position and the seat is locked in
place by attempting to push it forward and backward.
(Power Seat) ...
Mazda 6 Owners Manual: Cruise control switch inspection
1. Disconnect the negative battery cable.
2. Remove the driver-side air bag module. (See DRIVER-SIDE AIR BAG MODULE
REMOVAL/INSTALLATION.)
3. Disconnect the cruise control switch connector.
4. Inspect for resistance and continuity between the cruise control switch
terminals using an ohmmeter. ...