See also:

GVWR and GAWR (Gross Vehicle Weight Rating and Gross Axle Weight Rating)
The certification label attached to the driver’s side doorjamb shows GVWR (Gross Vehicle Weight Rating) and GAWR (Gross Axle Weight Rating). The GVW (Gross Vehicle Weight) must never exce ...

Fuel octane rating
This octane rating is the average of the Research Octane and Motor Octane numbers and is commonly referred to as the Anti Knock Index (AKI). Using a gasoline with a lower octane rating can ca ...

ON
This is the normal operating position after the engine is started. ...