Jeep Wrangler: Cooling System Tips — Automatic Transmission / Do Not Operate The Engine With Failed Parts

All engine failures give some warning before the parts fail. Be on the alert for changes in performance, sounds, and visual evidence that the engine requires service. Some important clues are:

  • Engine misfiring or vibrating severely
  • Sudden loss of power
  • Unusual engine noises
  • Fuel, oil or coolant leaks
  • Sudden change, outside the normal operating range, in the engine operating temperature
  • Excessive smoke
  • Oil pressure drop

    Do Not Operate The Engine With Low Oil Pressure

    If the low oil pressure warning light turns on while driving, stop the vehicle and shut down the engine as soon as possible. A chime will sound when the light turns on...

    ENGINE BLOCK HEATER — IF EQUIPPED

    The engine block heater warms the engine, and permits quicker starts in cold weather. Connect the cord to a standard 110-115 Volt AC electrical outlet with a grounded, three-wire extension cord...

    Other information:

    Jeep Wrangler 2018-2026 Owners Manual: Interior Courtesy Lights


    The courtesy lights will turn on when the front doors are opened, by rotating the dimmer controls on the headlight switch fully upward, or, if equipped, when the unlock button is pushed on the key fob. The interior courtesy lights are located in the center of the vehicle’s sport bar, and consist of one large center light and four smaller reading lights...

    Jeep Wrangler 2018-2026 Owners Manual: ENGINE BREAK-IN RECOMMENDATIONS — GASOLINE ENGINE (IF EQUIPPED)


    A long break-in period is not required for the engine and drivetrain (transmission and axle) in your vehicle. Drive moderately during the first 300 miles (500 km). After the initial 60 miles (100 km), speeds up to 50 or 55 mph (80 or 90 km/h) are desirable...

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    Basic Voice Commands

    The basic Voice Commands below can be given at any point while using your Uconnect system. Push the VR button on the steering wheel. After the beep, say:

    “Cancel” to stop a current voice session. “Help” to hear a list of suggested Voice Commands. “Repeat” to listen to the system prompts again.

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