If the light illuminates constantly while driving or does not turn off after
the engine starts, an emission control system malfunction has been detected.
You should have your vehicle checked by an authorized SUBARU dealer immediately.
NOTE
This light also illuminates when the fuel filler cap is
Carry some emergency equipment, such as a window scraper, a bag of sand, flares,
a small shovel and jumper cables. Check the battery and cables. Cold temperatures
reduce battery capacity. The battery must be in good condition to provide enough
power for cold winter starts.
Use an engine oil