Jeep Wrangler: STOP/START SYSTEM — AUTOMATIC TRANSMISSION (IF EQUIPPED) / To Start The Engine While In Autostop Mode

While in a forward gear, the engine will start when the brake pedal is released or the throttle pedal is pressed. The transmission will automatically re-engage upon engine restart.

Conditions That Will Cause The Engine To Start Automatically While In Autostop Mode:

  • The transmission selector is moved out of DRIVE.
  • To maintain cabin temperature comfort.
  • Actual cabin temperature is significantly different than temperature set on Auto HVAC.
  • HVAC is set to full defrost mode.
  • HVAC system temperature or fan speed is manually adjusted higher.
  • Battery voltage drops too low.
  • Stop/Start OFF switch is pushed.
  • A Stop/Start system error occurs.
  • STOP/START AUTO STOP ACTIVE time exceeds 5 minutes.
  • Transfer case is in 4WD Low or N (Neutral).
  • Steering wheel is turned beyond threshold (ESS Models Only).

    Possible Reasons The Engine Does Not Autostop

    Prior to engine shut down, the system will check many safety and comfort conditions to see if they are fulfilled. Detailed information about the operation of the Stop/Start system may be viewed in the instrument cluster display Stop/ Start Screen...

    To Manually Turn Off and Turn On The Stop/Start System

    TO MANUALLY TURN OFF THE STOP/START SYSTEM Stop/Start OFF Switch Push the Stop/Start OFF switch (located on the switch bank). The light on the switch will illuminate...

    Other information:


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    Jeep Wrangler 2018-2024 Owners Manual: Cold Weather Precautions

    Operation in ambient temperature below 32°F (0°C) may require special considerations. The following charts suggest these options: Fuel Operating Range NOTE: Use “Ultra Low Sulfur Diesel Fuels (ULSD)” ONLY. Fuel Operating Range Chart *Number 1 ULSD Fuel should only be used where extended arctic conditions 0°F (-18°C) exist...


    Erasing All The HomeLink® Channels

    To erase the channels, follow this procedure:

    Place the ignition switch into the ON/RUN position. Push and hold the two outside HomeLink® buttons (I and III) for up to 20 seconds, or until the HomeLink® indicator light flashes.


    Erasing all channels should only be performed when programming HomeLink® for the first time. Do not erase channels when programming additional buttons.

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