Honda CR-V: The Clean Air Act - Emissions Controls - Technical Information - Honda CR-V Owner's ManualHonda CR-V: 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.

    Emissions Controls
    The burning of gasoline in your vehicle’s engine produces several byproducts. Some of these are carbon monoxide (CO), oxides of nitrogen (NOx), and hydrocarbons (HC). Gasoline evaporating fr ...

    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 ...

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    Checking the oil level using the oil dipstick
    Park the vehicle on a level surface. To check the oil level with the engine at operating temperature, switch the engine off and wait for approximately five minutes. Pull oil dipstick 1 ou ...

    Brake/Clutch fluid
    Brake and clutch (if equipped) systems are supplied from the same reservoir. The fluid level will drop slowly as the brakes wear, and will rise when the brake components are replaced. Fluid lev ...

    How to Check Lubricant
    To get an accurate reading, the vehicle should be on a level surface. If the level is below the bottom of the fill plug hole, located on the transfer case, the vehicle will need some lubricant ad ...