Honda CR-V: The Clean Air Act
Honda CR-V (2006–2011) Owner's Manual / Technical Information / Emissions Controls / The Clean Air Act
The United States Clean Air Act* sets standards for automobile emissions. It also requires that automobile manufacturers explain to owners how their emissions controls work and what to do to maintain them. This section summarizes how the emissions controls work.
* In Canada, Honda vehicles comply with the Canadian emission requirements, as specified in an agreement with Environment Canada, at the time they are manufactured.
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Crankcase Emissions Control System
Your vehicle has a positive
crankcase ventilation system. This
keeps gasses that build up in the
engine’s crankcase from going into
the atmosphere. The positive
crankcase ventilation valve
Evaporative Emissions Control System
As gasoline evaporates in the fuel
tank, an evaporative emissions
control canister filled with charcoal
adsorbs the vapor. It is stored in this
canister while the engine is off. After
the en
Onboard Refueling Vapor Recovery
The onboard refueling vapor
recovery (ORVR) system captures
the fuel vapors during refueling. The
vapors are adsorbed in a canister
filled with activated carbon. While
driving, the fuel vapo
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Adjust the Head Restraints
Adjust the driver’s head restraint so
the center of the back of your head
rests against the center of the
restraint.
Have passengers adjust their head
restraints properly as well. Taller
persons should adjust their restraint
as high as possible.
Improperly positioning head
Dust and Pollen Filter
This filter removes the dust and
pollen that is brought in fromthe
outside through the heating and
cooling system/climate control
system.
Have your dealer replace this filter
when this service is indicated by a
maintenance message on the
information display. It should be
replaced ev
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