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: Active Adaptive Shift (AAS)
Active Adaptive Shift (AAS) automatically controls the transaxle shift points to best suit the road conditions and driver input. This improves driving feel. The transaxle may switch to AAS mode when driving up and down slopes, cornering, driving at high elevations, or depressing the accelerato ...

Mazda 6 Service Manual: Oil pressure switch removal/installation
Warning When the transaxle and ATF are hot, they can badly burn. Turn off the engine and wait untill they are cool before replacing ATF. 1. Disconnect the negative battery cable. 2. Remove the under cover. 3. Disconnect the cord assembly connector. 4. Remove the oil pressure switch. ...