Catalytic Converter - Subaru Crosstrek Hybrid 2022 Owner's Manual

. If at any time you suspect that
exhaust fumes are entering the
vehicle, have the problem
checked and corrected as soon
as possible. If you must drive
under these conditions, drive
only with all windows fully open.
. Keep the rear gate closed while
driving to prevent exhaust gas
from entering the vehicle.
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
hybrid system has been shut off. This
sound is normal.

8-4. Catalytic converter

The catalytic converter is installed in the
exhaust system. It serves as a 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 hybrid system by push-
ing or pulling the vehicle.
. Avoid racing the engine.
. Never turn the ignition switch to the
"OFF" position while the vehicle is moving.
. Keep your engine tuned-up. If you feel
the engine running rough (misfiring, back-
firing or incomplete combustion), have
Catalytic converter
your vehicle checked and repaired by an
authorized SUBARU dealer.
. Do not apply undercoating or rust
prevention treatment to the heat shield of
catalytic converter and the exhaust sys-
tem.
. Do not drive with an extremely low fuel
level.
WARNING
. 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 tempera-
tures.
. Keep everyone and flammable
materials away from the exhaust
pipe while the hybrid system is
running. The exhaust gas is very
hot.
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