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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Information Display
The information display consists of
three segments. The upper segment
displays current fuel mileage, the
second segment displays the
odometer, average fuel mileage,
range (estimated distance), engine
oil life, and the lower segment
displays the trip meter, and
maintenance item co
Daytime Running Lights
With the headlight switch in the off
or
position,
the high beam
headlights and the high beam
indicator come on with reduced
brightness when you turn the
ignition switch to the ON (II)
position and release the parking
brake. They remain on until you turn
the ignition switch off, e
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