Jeep Wrangler: VEHICLE MAINTENANCE / Diesel Exhaust Fluid

Diesel Exhaust Fluid (DEF) sometimes known simply by the name of its active component, UREA—is a key component of Selective Catalytic Reduction (SCR) systems, which help diesel vehicles meet stringent emission regulations. DEF is a liquid reducing agent that reacts with engine exhaust in the presence of a catalyst to convert smog-forming nitrogen oxides (NOx) into harmless nitrogen and water vapor.

    Intervention Regeneration Strategy — Message Process Flow

    This engine meets all required diesel engine emissions standards. To achieve these emissions standards, your vehicle is equipped with a state-of-the-art engine and exhaust system...

    Accessory Drive Belt Inspection

    WARNING! Do not attempt to inspect an accessory drive belt with vehicle running. When working near the radiator cooling fan, disconnect the fan motor lead...

    Other information:

    Jeep Wrangler 2018-2024 Owners Manual: Monthly Vehicle Health Report


    Description Monthly Vehicle Health Report is a Uconnect service through which a summary of the performance of your vehicle’s key systems will be sent to you every month so you can stay on top of your vehicle’s maintenance needs. This is provided as a convenience to you and does not substitute for regular maintenance to your vehicle...

    Jeep Wrangler 2018-2024 Owners Manual: 2.0L Engine and 3.6L Engine


    2.0L Engine This engine is designed to meet all emission requirements, and provide satisfactory fuel economy and performance, when using high-quality unleaded “regular” gasoline having an octane rating of 87, as specified by the (R+M)/ 2 method...

    Categories

    Automatic Headlights — If Equipped, Lights-On Reminder

    Automatic Headlights

    This system automatically turns the headlights on or off according to ambient light levels. To turn the system on, rotate the headlight switch clockwise to the last detent for automatic headlight operation. When the system is on, the headlight time delay feature is also on. This means the headlights will stay on for up to 90 seconds after you place the ignition into the OFF position. To turn the automatic system off, move the headlight switch out of the AUTO position.

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