Turbo models
Subaru Impreza / Subaru Impreza Owners Manual / Specifications / Specifications / Engine oil / Turbo models

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Refueling in cold weather
To help prevent moisture from forming in the fuel system and the risk of its
freezing, use of an antifreeze additive in the fuel tank is recommended during cold
weather. Use only additives that ar ...
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 p ...
Sensor for the auto on/off headlights
The sensor is on the instrument panel as shown in the illustration.
CAUTION
If any object is placed on or near the sensor, the sensor may not detect the
level of the ambient light correctly and ...
