The front passenger air bag is mounted in the front passenger dashboard.
The inflation mechanism for the front passenger air bag is the same as the driver's air bag.For more details about air bag deployment, refer to "SRS Air Bag Deployment Criteria".
(With Front Passenger Occupant Classification System)
In addition, the front passenger air bag is designed to only deploy when the front passenger occupant classification sensor detects a passenger sitting on the front passenger's seat. For details, refer to the front passenger occupant classification system.

Driver Air Bag
Side Air BagsMazda 6 Owners Manual: Drive Selection (Some models)
Drive selection is a system to switch the vehicle's drive mode. When the sport
mode is selected, vehicle's response against accelerator operation is enhanced.
This provides additional quick acceleration which may be needed to safely make maneuvers
such as lane changes, merging onto freeways, o ...
Mazda 6 Owners Manual: Front door speaker removal/installation
1. Disconnect the negative battery cable.
2. Remove the front door trim.
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
Front Door Speaker Installation Note
Attach the speaker with the wiring harness placed in the groove of the door
unit panel.
...