See also:

Rear differential oil temperature warning light (STI)
Reduce vehicle speed and park the vehicle in a safe place as soon as possible if the R.DIFF TEMP light illuminates. Continued driving with this light illuminated can damage the rear differential ...

Driving on snowy and icy roads
WARNING Do not use the cruise control on slippery roads such as snowy or icy roads. This may cause loss of vehicle control. CAUTION Avoid prolonged continuous driving in snowstorms. Snow will ent ...

Temperature control dial
This dial regulates the temperature of airflow from the air outlets over a range from the blue side (cool) to red side (warm). ...