See also:

Tire Terminology And Definitions
...

Gasoline/Oxygenate Blends
Some fuel suppliers blend unleaded gasoline with oxygenates such as Ethanol. Fuels blended with oxygenates may be used in your vehicle. CAUTION! DO NOT use gasoline containing Methanol or gasoli ...

Loose Fuel Filler Cap Message
After fuel is added, the vehicle diagnostic system can determine if the fuel filler cap is possibly loose or improperly installed. A “GASCAP” message will be displayed in the instrument clus ...