Subaru 2004 Forester X - Manual (Page 283)

8-4
Driving tips
Catalytic converter
Turbo model
Non-turbo model
The catalytic converter is installed in the exhaust sys-
tem. It serves as catalyst to reduce HC, CO and NOx
in exhaust gases, thus providing cleaner exhaust.
To avoid damage to the catalytic converter:
Use only unleaded fuel. Even a small amount of
leaded fuel will damage the catalytic converter.
Never start the engine by pushing or pulling the ve-
hicle.
Avoid racing the engine.
Never turn off the ignition switch while the vehicle is
moving.
Keep your engine tuned-up. If you feel the engine
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