Subaru 2007 Legacy Owner's Manual page 135

3-17
Instruments and controls
Driver's information Details
Low temperature information
This message is displayed when the outside temperature is 378F (38C).
When this message appears on the display, be careful because the road
surface may be frozen. For details of this indication, refer to the "
Outside
temperature and journey time" section in this chapter.
Rest information
This message shows that the continuous driving time has reached 2 hours,
and a notice is displayed to take a rest. If you continue to drive the vehicle
without stopping the engine, the display is indicated after every hour that
has elapsed. For details of this indication, refer to the "
Outside temperature
and journey time" section in this chapter.