Refueling In Cold Weather - Subaru Vehicle Owner's Manual

2-5. Driving information
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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 dur-
ing cold weather.
Use only additives that are specifically designed for this purpose. When an
antifreeze additive is used, its effect lasts longer if the tank is refilled when-
ever the fuel level reaches half empty.
WARNING
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Driving with snow tires
Observe the following precautions to reduce the risk of accidents.
Failure to do so may result in a loss of vehicle control and cause death or
serious injury.
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Use tires of the specified size, and that are the same size, same maker,
same brand and tread pattern.
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Maintain the recommended level of air pressure.
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Do not drive in excess of 30 mph (50 km/h), regardless of the type of snow
tires being used.
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Use snow tires on all, not just some wheels.
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