Subaru 2006 Legacy - Manual (Page 282)

Driving tips
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NOTE
Due to the expansion and contraction
of the metals used in the manufacture
of the exhaust system, you may hear a
crackling sound coming from the ex-
haust system for a short time after the
engine has been shut off. This sound is
normal.
Catalytic converter
2.5-liter non-turbo models
2.5-liter turbo models
3.0-liter models
The catalytic converter is installed in the
exhaust system. It serves as catalyst to
y If at any time you suspect that ex-
haust fumes are entering the vehi-
cle, have the problem checked
and corrected as soon as possi-
ble. If you must drive under these
conditions, drive only with all win-
dows fully open.
y Keep the trunk lid (Sedan) or rear
gate (Station wagon) closed while
driving to prevent exhaust gas
from entering the vehicle.
y Avoid fire hazards. Do not drive or
park the vehicle anywhere near
flammable materials (e.g. grass,
paper, rags or leaves), because
the catalytic converter operates at
very high temperatures.
y Keep everyone and flammable
materials away from the exhaust
pipe while the engine is running.
The exhaust gas is very hot.
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