Jeep Wrangler 2018-2025 Owners Manual / STARTING AND OPERATING / NORMAL OPERATION — DIESEL ENGINE
Jeep Wrangler: STARTING AND OPERATING / NORMAL OPERATION — DIESEL ENGINE
Observe the following when the diesel engine is operating:
- All message center lights are off.
- Malfunction Indicator Light (MIL) is off.
- Engine Oil Pressure telltale is not illuminated.
- Voltmeter operation.
The voltmeter may show a gauge fluctuation at various engine temperatures. This is caused by the glow plug heating system. The number of cycles and the length of the cycling operation is controlled by the engine control module. Glow plug heater operation can run for several minutes. Once the heater operation is complete, the voltmeter needle will stabilize.
- Cold Weather Precautions
- Engine Idling
- Stopping The Engine
- Cooling System Tips — Automatic Transmission
Starting Fluids
The engine is equipped with a glow plug
preheating system. If the instructions in this
manual are followed, the engine should start in
all conditions and no type of starting fluid
should be used...
Cold Weather Precautions
Operation in ambient temperature below 32°F (0°C) may require special
considerations. The following charts suggest these options:
Fuel Operating Range
NOTE:
Use “Ultra Low Sulfur Diesel Fuels (ULSD)” ONLY...
Other information:
Jeep Wrangler 2018-2025 Owners Manual: Introducing Voice Recognition
Start using Uconnect Voice Recognition with these helpful quick tips. It provides the key Voice Commands and tips you need to know to control your vehicle’s Voice Recognition (VR) system. Uconnect 3 With 5-inch Display Uconnect 4 With 7-inch Display Uconnect 4C/4C NAV With 8...
Jeep Wrangler 2018-2025 Owners Manual: Types of Media Modes
USB Mode Overview USB Mode is entered by either inserting a USB device into the USB port, or by selecting the USB button on the left side of the touchscreen, or the Source Select/Select Source button and then selecting USB 1 or 2 (if equipped) or by pushing the MEDIA button on the faceplate and then selecting the USB button...
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Manual Seat Height Adjustment
The driver's seat height can be raised or lowered by using the ratcheting handle, located on the outboard side of the seat. Pull upward on the handle to raise the seat, push downward on the handle to lower the seat. Several strokes may be necessary to achieve the desired position.
Seat Height Adjustment
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