• Vehicles with the Stop/Start system will be equipped with two batteries. Both the main and the supplemental batteries must be disconnected to completely de-energize the 12 Volt electrical system.
  • Serious injury or death could result if you do not disconnect both batteries. To learn how to properly disconnect, see an authorized dealer.

The Stop/Start feature is enabled after every driver ignition start. It will remain in STOP/START NOT READY until you drive forward with a vehicle speed greater than 5 mph (8 km/h). At that time, the system will go into STOP/START READY and if all other conditions are met, can go into an STOP/START AUTO STOP ACTIVE mode.

To Activate The STOP/START AUTO STOP ACTIVE Mode, The Following Must Occur:

  • The system must be in STOP/START READY state. A STOP/START READY message will be displayed in the instrument cluster.
  • Vehicle speed must be less than 2 mph (3 km/h).
  • The gear selector must be in the NEUTRAL position and the clutch pedal must be fully released


    The Engine Stop/Start (ESS) function is developed to reduce fuel consumption. The system will stop the engine automatically during a vehicle stop if the required conditions are met...

    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. Situations when the engine will not stop include (but not limited to): Driver’s seat belt is not buckled...

    Other information:

    Jeep Wrangler 2018-2024 Owners Manual: CNG And LP Fuel System Modifications. MMT In Gasoline

    CNG And LP Fuel System Modifications Modifications that allow the engine to run on Compressed Natural Gas (CNG) or Liquid Propane (LP) may result in damage to the engine, emissions, and fuel system components. Problems that result from running CNG or LP are not the responsibility of the manufacturer and may void or not be covered under the New Vehicle Limited Warranty...

    Jeep Wrangler 2018-2024 Owners Manual: MANUAL PARK RELEASE

    WARNING! Always secure your vehicle by fully applying the parking brake before activating the Manual Park Release. In addition, you should be seated in the driver’s seat with your foot firmly on the brake pedal when activating the Manual Park Release...


    Bi-Level Mode

    Jeep Wrangler. Bi-Level Mode Air comes from the instrument panel outlets and floor outlets. A slight amount of air is directed through the defrost and side window demister outlets.


    Bi-Level mode is designed under comfort conditions to provide cooler air out of the panel outlets and warmer air from the floor outlets.

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