Your vehicle is equipped with head restraints on all outboard seats and the rear center seat. The head restraints are intended to help protect you and the passengers from neck injury.
WARNING
Always drive with the head restraints installed when seats are being used and make sure they are properly adjusted.:
Driving with the head restraints adjusted too low or removed is dangerous. With no support behind your head, your neck could be seriously injured in a collision.
Height adjustment
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.
Adjust the head restraint so that the center is even with the top of the passenger's ears.

Front outboard seat

Rear outboard seat

Rear center seat

Removal/Installation
To remove the head restraint, pull it up while pressing the stop-catch.
To install the head restraint, insert the uprights into the holes while pressing the stop-catch.
WARNING
Always drive with the head restraints installed when seats are being used and make sure they are properly installed:
Driving with the head restraints not installed is dangerous. With no support behind your head, your neck could be seriously injured in a collision.
Rear SeatEngine SST
1: Mazda SST number
2: Global SST number
Example
1:49 UN20 5072
2:205–072
Holder
1:–
2:AKS042808
Adapter
1: 49 UN20 5072
2: 205–072
Holder
1: 49 B011 105
2: –
...
Side Air Bag Module [Standard Deployment Control System]
Purpose
When a side air bag module receives an impact from a lateral collision, the
operation (deployment) of the air bag mediates the impact to the chest, stomach,
and waist of the driver and front passenger.
Function
When a side air bag module receives an impact from a la ...
Discharge Headlight Control Module Removal/Installation
WARNING:
Incorrect servicing of the discharge headlights could result in electrical
shock. Before servicing the discharge headlights, always refer to the service
warnings..
1. Disconnect the negative battery cable..
2. Remove the front bumper..
3. Disconnect the connector.
...