Jeep Wrangler: STOP/START SYSTEM — AUTOMATIC TRANSMISSION (IF EQUIPPED) / System Malfunction

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...

STOP/START SYSTEM — MANUAL 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...

Other information:

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...

Jeep Wrangler 2018-2026 Owners Manual: System Overview

This vehicle is equipped with a Diesel Exhaust Fluid (DEF) injection system and a Selective Catalytic Reduction (SCR) catalyst to meet the emission requirements. The DEF injection system consists of the following components: DEF tank DEF pump DEF injector Electronically-heated DEF Lines NOx sensors Temperature sensors SCR catalyst The DEF injection system and SCR catalyst enable the achievement of diesel emissions requirements; while maintaining outstanding fuel economy, drivability, torque and power ratings...