Jeep Wrangler 2018-2026 Owners Manual / SERVICING AND MAINTENANCE / ENGINE COMPARTMENT / 3.0L Diesel Engine

Jeep Wrangler: ENGINE COMPARTMENT / 3.0L Diesel Engine

Jeep Wrangler. 3.0L Diesel Engine

Battery
Engine Oil Fill
Engine Coolant Pressure Reservoir
Brake Fluid Reservoir Cap
Washer Fluid Reservoir Cap
Engine Air Cleaner Filter
Engine Oil Dipstick
Power Steering Reservoir Cap
Power Distribution Center (Fuses)

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: FUEL REQUIREMENTS — GASOLINE ENGINE

While operating on gasoline with the required octane number, hearing a light knocking sound from the engine is not a cause for concern. However, if the engine is heard making a heavy knocking sound, see a dealer immediately. Use of gasoline with an octane number lower than recommended octane can cause engine failure and may void the New Vehicle Limited Warranty...

Jeep Wrangler 2018-2026 Owners Manual: Tire Pressure Monitoring System (TPMS) Warning Light

The warning light switches on and a message is displayed to indicate that the tire pressure is lower than the recommended value and/or that slow pressure loss is occurring. In these cases, optimal tire duration and fuel consumption may not be guaranteed...

Basic Voice Commands

The basic Voice Commands below can be given at any point while using your Uconnect system. Push the VR button on the steering wheel. After the beep, say:

“Cancel” to stop a current voice session. “Help” to hear a list of suggested Voice Commands. “Repeat” to listen to the system prompts again.