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: Remote Start Cancel Message


The following messages will display in the instrument cluster if the vehicle fails to Remote Start or exits Remote Start prematurely: Remote Start Cancelled — Door Open Remote Start Cancelled — Hood Open Remote Start Cancelled — Fuel Low Remote Start Cancelled — Swing Gate Open Remote Start Cancelled — Time Expired Remote Start Disabled — Start Vehicle To Reset The message will stay active until the ignition is placed in the ON/RUN position...

Jeep Wrangler 2018-2026 Owners Manual: Remote Commands


On the Remote Commands screen, you have access to several vehicle features that can be controlled remotely from your mobile device. These features include locking/unlocking, remote starting, and activating the horn and lights of the vehicle. Remote Commands Lock - Press this button to lock your vehicle...

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

read more

 
Copyright © 2026 www.jewrangler.com