Mazda 6 Service Manual: No.12 lack/loss of power-acceleration/cruise

No.11 engine stalls/quits, engine runs rough, misses, buck/jerk, hesitation/stumble, surges

No.13 knocking/pinging-acceleration/cruise

Other materials:

Mazda 6 Service Manual: Cruise Control Switch
  Cruise Main Indication (White)/ Cruise Set Indication (Green)     The indication has two colors. Cruise Main Indication (White)   The indication turns on (white) when the cruise control system is activated. Cruise Set Indication (Green) The indication turns on (gr ...

Mazda 6 Service Manual: Seat Belt Extender
If your seat belt is not long enough, even when fully extended, a seat belt extender may be available to you at no charge from your Authorized Mazda Dealer. This extender will be only for you and for the particular vehicle and seat. Even if it plugs into other seat belts, it may not hold in the ...