Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL, which will reduce exhaust emissions and keep spark plug fouling to a minimum.
This vehicle will perform best with fuel listed in the table.

* U.S. federal law requires that octane ratings be posted on gasoline station pumps.
Fuel with a rating lower than 87 octane (91 RON) will negatively affect the emission control system performance and could also cause engine knocking and serious engine damage.
CAUTION
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Gasoline blended with oxygenates such as alcohol or ether compounds are generally referred to as oxygenated fuels. The common gasoline blend that can be used with your vehicle is ethanol blended at no more than 10 %. Gasoline containing alcohol, such as ethanol or methanol, may be marketed under the name "Gasohol".
Vehicle damage and drivability problems resulting from the use of the following may not be covered by the warranty.
Emission Control SystemStop Vehicle in Safe Place Immediately
If any of the following warning lights turns on, the system may have a
malfunction. Stop the
vehicle in a safe place immediately and contact an Authorized Mazda Dealer.
...
Gracenote Database (Type B)
When a USB device is connected to this unit and the audio is played, the
album name,
artist name, genre and title information are automatically displayed if there is
a match in
the vehicle's database compilation to the music being played. The information
stored in this
device uses database ...
Headlight Aiming
CAUTION:
If the headlight aiming is adjusted with cargo in the vehicle, it may not
adjust correctly. Adjust the headlight aiming with the vehicle under the following
conditions:
No occupants inside vehicle
Cargo other than spare tire, jack, and tools not loaded
...