Engine Exhaust Gas Warning - Honda 1990 Civic Sedan Owner's Manual

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Engine Exhaust Gas Warning

A properly maintained car is your best protection against exhaust
gas entering the passenger compartment.
The exhaust system should be thoroughly inspected by a
competent mechanic whenever:
The car is raised for an oil change.
You notice a change in the sound of the exhaust.
The exhaust system or the rear or underside of the car is
damaged.
Avoid breathing exhaust gases. They contain carbon monoxide,
which is a colorless, odorless gas that can cause loss of
consciousness and eventual death. If you suspect that exhaust
gas is entering the passenger compartment, have the cause
determined and corrected as soon as possible. If you must drive
under these conditions, drive only with all windows fully open.
Do not drive with the hatch/trunk yd open. An open hatch/trunk
may draw exhaust gases into the passenger compartment. If
you must drive with the hatch/trunk open, drive only with all the
windows wide open.
Do not run the engine in confined areas, such as garages, any
longer than necessary to move the car in or out.
If you must sit in a parked car with the engine running for more
than a short time, adjust the heating/ventilation system as
follows:
1. Set the function lever to the
2. Set the temperature control dial for best comfort.
3. Set the recirculation lever to the
4.Turn the fan to the highest speed.
NOTE:
To insure proper operation of the car's ventilation system, keep the
front air inlet clear of snow, mud, leaves or other obstructions.
position.
position.