Jeep Wrangler 2018-2026 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.

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 2018-2026 Owners Manual: Connected Services Send & Go FAQs


How long does it take to send the route and destination to my vehicle? Depending on various conditions, it can take up to three minutes for the request to get through to your vehicle. Can I cancel a route I sent to my vehicle? Yes, once you enter your vehicle, and start the engine, the pop-up message stating that you have a new route will appear...

Jeep Wrangler 2018-2026 Owners Manual: Power Inverter — If Equipped


There is a 115 Volt, 150 Watt inverter outlet located on the back of the center console to convert DC current to AC current. This outlet can power cellular phones, electronics and other low power devices requiring power up to 150 Watts. Certain video game consoles exceed this power limit, as will most power tools...

Categories

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.

Jeep Wrangler. Manual Seat Height Adjustment

Seat Height Adjustment

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