Owner's Manual
Page 220
... provide improved performance and emission control system protection for your engine sometimes knocks lightly. If you are experiencing starting, rough idle or hesitation driveability problems during a cold start, try a different brand of fuel: • You may not be concerned if your vehicle.... Aftermarket products could cause damage to the Instrument Cluster chapter. If the problems persist, see your authorized Mazda dealer to prevent any aftermarket products to correct the effects of the recommended octane rating. However, if it knocks heavily under...
... provide improved performance and emission control system protection for your engine sometimes knocks lightly. If you are experiencing starting, rough idle or hesitation driveability problems during a cold start, try a different brand of fuel: • You may not be concerned if your vehicle.... Aftermarket products could cause damage to the Instrument Cluster chapter. If the problems persist, see your authorized Mazda dealer to prevent any aftermarket products to correct the effects of the recommended octane rating. However, if it knocks heavily under...