Chevrolet 2010 Avalanche, Owner'S Manual, Page: 168 / 582

Engine Exhaust
{
WARNING:
Engine exhaust contains Carbon Monoxide (CO)
which cannot be seen or smelled. Exposure to
CO can cause unconsciousness and even death.
Exhaust may enter the vehicle if:
. The vehicle idles in areas with poor ventilation
(parking garages, tunnels, deep snow that
may block underbody airflow or tail pipes).
. The exhaust smells or sounds strange or
different.
. The exhaust system leaks due to corrosion or
damage.
(Continued)
WARNING: (Continued)
. The vehicle ’ s exhaust system has been
modified, damaged or improperly repaired.
. There are holes or openings in the vehicle
body from damage or after-market
modifications that are not completely sealed.
If unusual fumes are detected or if it is suspected
that exhaust is coming into the vehicle:
. Drive it only with the windows
completely down.
. Have the vehicle repaired immediately.
Never park the vehicle with the engine running in
an enclosed area such as a garage or a building
that has no fresh air ventilation.
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