Mazda 6 Service Manual: No.14 poor fuel economy

No.13 knocking/pinging-acceleration/cruise

No.15 emission compliance

Other materials:

Mazda 6 Service Manual: Manual Transaxle Shift Pattern
  The shift pattern of the transaxle is conventional, as shown. Depress the clutch pedal all the way down while shifting; then release it slowly. Your vehicle is equipped with a device to prevent shifting to R (reverse) by mistake. Push the shift lever downward and shift to R.   ...

Mazda 6 Service Manual: Warranties for Your Mazda
New Vehicle Limited Warranty Powertrain Limited Warranty Safety Restraint System Limited Warranty Anti-perforation Limited Warranty Federal Emission Control Warranty/California Emission Control Warranty Emission Defect Warranty Emission Performance Warranty Emission Control Warranty ...