Jeep Wrangler 2018-2026 Owners Manual / STARTING AND OPERATING / STOP/START SYSTEM — AUTOMATIC TRANSMISSION (IF EQUIPPED) / Autostop Mode

Jeep Wrangler: STOP/START SYSTEM — AUTOMATIC TRANSMISSION (IF EQUIPPED) / Autostop Mode

WARNING!

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. At that time, the system will go into STOP/START READY and if all other conditions are met, can go into a STOP/START AUTOSTOP ACTIVE “Autostop” mode.

To Activate The Autostop 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 display within the Stop/Start section.
The vehicle must be completely stopped.
The shifter must be in a forward gear and the brake pedal pressed.

STOP/START SYSTEM — AUTOMATIC TRANSMISSION (IF EQUIPPED)

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. Detailed information about the operation of the Stop/Start system may be viewed in the instrument cluster display Stop/ Start Screen...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: Instrument Cluster Display Menu Items

NOTE: Depending on the vehicle’s options, feature settings may vary. Speedometer Push and release the up or down arrow button until the speedometer menu icon is displayed in the instrument cluster display. Push and release the OK button to toggle between MPH and km/h...

Jeep Wrangler 2018-2026 Owners Manual: Hill Start Assist (HSA)

The HSA system is designed to mitigate roll back from a complete stop while on an incline. If the driver releases the brake while stopped on an incline, HSA will continue to hold the brake pressure for a short period. If the driver does not apply the throttle before this time expires, the system will release brake pressure and the vehicle will roll down the hill as normal...