Mazda 6 Service Manual: No.22 vibration concerns (engine)

No.21 engine noise

No.23 a/c does not work sufficiently

Other materials:

Mazda 6 Service Manual: Indication on Display
The Distance Recognition Support System (DRSS) operation status is indicated in the active driving display or multi-information display. Regarding malfunctions, check the vehicle conditions or have it inspected by an Authorized Mazda Dealer according to the content of the displayed message. R ...

Mazda 6 Service 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. ...