Jeep Wrangler: ENGINE COMPARTMENT / 3.0L Diesel Engine

3.6L Gasoline Engine

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Checking Oil Level

To ensure proper engine lubrication, the engine oil must be maintained at the correct level. Check the oil level at regular intervals, such as every fuel stop...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: 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...

Jeep Wrangler 2018-2026 Owners Manual: IF YOUR ENGINE OVERHEATS

If the vehicle is overheating, it will need to be serviced by an authorized dealer. In any of the following situations, you can reduce the potential for overheating by taking the appropriate action. On the highways — slow down. In city traffic — while stopped, shift transmission into NEUTRAL, but do not increase engine idle speed...