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: Distance Recognition Support System (DRSS) (Some models)
The Distance Recognition Support System (DRSS) measures the distance between your vehicle and a vehicle ahead using a radar sensor (front) while the vehicle speed is about 30 km/h (19 mph) or faster, and if your vehicle approaches a vehicle ahead more closely than what is appropriate for maint ...

Mazda 6 Service Manual: Fog Lights (Some models)
The fog lights can be turned on with the ignition switched ON and the headlights turned on. Use this switch to turn on the fog lights. The fog lights will improve visibility at night and during foggy conditions. The fog lights turn on when the fog light switch is turned to the position and t ...