This chart indicates the applicable SRS equipment that will deploy depending on the type of collision.
(The illustrations are the representative cases of collisions.)

X: The SRS air bag equipment is designed to deploy in a collision.
*1 (With Front Passenger Occupant Classification System) The front passenger front and side air bags and the seat belt pretensioner are designed to deploy when the front passenger occupant classification sensor detects a passenger sitting on the front passenger's seat.
*2 (With Front Passenger Occupant Classification System) In a side collision, the seat belt pretensioners and the side/curtain air bags deploy (only on the side in which the collision occurs).
*3 (With Front Passenger Occupant Classification System) In a roll-over accident, the seat belt pretensioners and the curtain air bags deploy.
NOTE
In a frontal offset collision, the equipped air bags and pretensioners may all deploy depending on the direction, angle, and rate of impact.
Curtain Air Bags
Limitations to SRS Air BagMazda 6 Owners Manual: Generator removal/installation
Warning
When the battery cables are connected, touching the vehicle body with
generator terminal B will generate sparks. This can cause personal injury, fire,
and damage to the electrical components. Always disconnect the battery negative
cables before performing the following operation.
...
Mazda 6 Owners Manual: Roof molding installation
1. Attach the roof molding to the T stud at the A section.
2. Press in the roof molding along the direction (1) shown in the figure and
attach it to the clip A at the B section.
3. Hook the roof molding to the clip B at the C section, press it in, and
attach the roof molding to the clip B.
...