Subaru 2005 Legacy Owner's Manual page 209

Instruments and controls
! Road surface freeze warning indication
Canada-spec. vehicles
U.S.-spec. vehicles
The outside temperature indicator shows the outside
temperature in a range from –22 to 122°F (–30 to
50°C).
The indicator can give a false reading under any of the
following conditions:
" When there is too much sun.
" During idling; while running at low speeds in a traffic
jam; when the engine is restarted immediately follow-
ing a shutdown.
" When the actual outside temperature falls outside
the specified indicator range.
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