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: Transaxle range (tr) switch inspection
Operating Inspection 1. Verify that the starter operates only when the ignition switch is at the START position with the selector lever in P or N position. If not as specified, adjust the TR switch. 2. Verify that the back-up lights illuminate when shifted to R position with the ignition ...

Mazda 6 Service Manual: Manual Shift Mode
The manual shift mode gives you the feel of driving a manual transaxle vehicle by allowing you to operate the selector lever manually. This allows you to control engine rpm and torque to the drive wheels much like a manual transaxle when more control is desired. To change to manual shift mode ...