https://www.mazda.co.jp/carlife/manual/

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Fuel

燃料 

Fuel used

使用燃料

Unleaded regular gasoline

無鉛レギュラーガソリン 

Unleaded Premium (Unleaded High Octane) Gasoline                            

無鉛プレミアム(無鉛ハイオク)ガソリン

Lead-free premium

無鉛プレミアム

Some older manuals look like this, look for.

Graphical user interface, text, application

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