Jeep Wrangler 2018-2024 Owners Manual / GETTING TO KNOW YOUR INSTRUMENT PANEL / WARNING LIGHTS AND MESSAGES / Yellow Warning Lights / AdBlue® (UREA) Injection System Failure Warning Light — If Equipped

Jeep Wrangler: Yellow Warning Lights / AdBlue® (UREA) Injection System Failure Warning Light — If Equipped

Jeep Wrangler. AdBlue® (UREA) Injection System Failure Warning Light — If Equipped This warning light will illuminate along with a dedicated message on the display (if equipped) if an unknown fluid not conforming with acceptable characteristics is inserted, or if an average consumption of AdBlue® (UREA) over 50% is detected. Contact an authorized dealer as soon as possible.

If the problem is not solved, a specific message will appear on the Instrument Cluster Display whenever a certain threshold is reached until it will no longer be possible to start the engine.

When about 125 miles (200 km) are remaining before the AdBlue® (UREA) tank is empty, a continuous dedicated message will appear on the instrument panel, accompanied by a chime.

Engine Check/Malfunction Indicator Warning Light (MIL)

The MIL is a part of an Onboard Diagnostic System called OBD II that monitors engine and automatic transmission control systems. This warning light will illuminate when the ignition is in the ON/RUN position before engine start...

Service 4WD Warning Light — If Equipped

This warning light will illuminate to signal a fault with the 4WD system. If the light stays on or comes on during driving, it means that the 4WD system is not functioning properly and that service is required...

Other information:

Jeep Wrangler 2018-2024 Owners Manual: Electronic Stability Control (ESC) Active Warning Light — If Equipped

This warning light will indicate when the Electronic Stability Control system is Active. The ESC Indicator Light in the instrument cluster will come on when the ignition is placed in the ON/RUN or ACC/ON/RUN position, and when ESC is activated...

Jeep Wrangler 2018-2024 Owners Manual: Head Restraints

Head restraints are designed to reduce the risk of injury by restricting head movement in the event of a rear impact. Head restraints should be adjusted so that the top of the head restraint is located above the top of your ear. WARNING! All occupants, including the driver, should not operate a vehicle or sit in a vehicle’s seat until the head restraints are placed in their proper positions in order to minimize the risk of neck injury in the event of a crash...