Mazda 6 Service Manual: No.13 knocking/pinging-acceleration/cruise

No.12 lack/loss of power-acceleration/cruise

No.14 poor fuel economy

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: Trip Computer and INFO Switch (Without Multi-information Display)
The following information can be selected by pressing the INFO switch with the ignition switched ON. Distance-to-empty mode Average fuel economy mode Current fuel economy mode Compass mode If you have any problems with your trip computer, consult an Authorized Mazda Dealer. Distanc ...