Subaru Outback manuals

Subaru Outback: 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 cause persistent and heavy knocking, which can damage the engine. Do not be concerned if your vehicle sometimes knocks lightly when you drive up a hill or when you accelerate. See your dealer or a qualified service technician if you use a fuel with the specified octane rating and your vehicle knocks heavily or persistently.

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 Unleaded gasoline

The neck of the fuel filler pipe is designed to accept only an unleaded gasoline filler nozzle. Under no circumstances should leaded gasoline be used because it will damage the emission control sy

 California fuel

If your vehicle was certified to California Emission Standards as indicated on the underhood tune-up label, it is designed to optimize engine and emission control system performance with gasoline

 MMT

Some gasoline contains an octane-enhancing additive called MMT (Methylcyclopentadienyl Manganese Tricarbonyl). If you use such fuels, your emission control system performance may deteriorate and t

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 Compass calibration

1. If a “C” is displayed in the compass window, the compass needs to be calibrated. 2. Drive the vehicle in a circle at 5 mph (8 km/h) or less until the display reads a direction. 3. You can also calibrate the compass by driving your vehicle on your everyday routine. The compass will be ca

 ECO gauge

1) U.S.-spec. models 2) Except U.S.-spec. models The ECO gauge shows the difference between the average rate of fuel consumption and the current rate of fuel consumption. Using the average rate of fuel consumption since the trip meter was last reset, the indicator needle behaves as described

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