The spare wheel tire, with the exception of the emergency spare wheel:

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Correct answer

Must be inflated to at least the pressure corresponding to the highest prescribed tire inflation on the vehicle.

Must be inflated to the pressure corresponding to the lowest prescribed tire inflation on the vehicle.
May be inflated to a lower pressure than prescribed for tires on the vehicle.

What the law says: The spare wheel, other than a temporary-use spare, is inflated to the highest prescribed pressure.

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