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: Air filter inspection
1. Remove the air filter. 2. Inspect the air filter. If the air filter is damaged, excessively dirty, or foul smelling, replace the air filter. Note The air filter cannot be reused by cleaning it with water or compressed air. Replace the air filter at the following interval, depe ...

Mazda 6 Service Manual: Dynamic Stability Control (DSC)
The Dynamic Stability Control (DSC) automatically controls braking and engine torque in conjunction with systems such as ABS and TCS to help control side slip when driving on slippery surfaces, or during sudden or evasive maneuvering, enhancing vehicle safety. Refer to ABS and TCS. DSC opera ...