Jeep Wrangler 2018-2026 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 2018-2026 Owners Manual: Blind Spot Monitoring (BSM) — If Equipped

The BSM system uses two radar sensors, located inside the taillights, to detect highway licensable vehicles (automobiles, trucks, motorcycles, etc.) that enter the blind spot zones from the rear/front/side of the vehicle. Rear Detection Zones When the vehicle is started, the BSM Warning Light will momentarily illuminate in both outside rearview mirrors to let the driver know that the system is operational...

Jeep Wrangler 2018-2026 Owners Manual: Programming And Requesting Additional Key Fobs

Programming the key fob may be performed by an authorized dealer.NOTE: Once a key fob is programmed to a vehicle, it cannot be repurposed and reprogrammed to another vehicle. Only key fobs that are programmed to the vehicle electronics can be used to start and operate the vehicle...