Jeep Wrangler Manuals
Jeep Wrangler 2018-2025 Owners Manual / STARTING AND OPERATING / NORMAL OPERATION — DIESEL ENGINE / Stopping The Engine

Jeep Wrangler: NORMAL OPERATION — DIESEL ENGINE / Stopping The Engine

After full load operation, idle the engine for a few minutes before shutting it down. This idle period will allow the lubricating oil and coolant to carry excess heat away from the turbocharger.

NOTE:

Refer to the following chart for proper engine shutdown.

Jeep Wrangler. Stopping The Engine

NOTE:

Under certain conditions the engine fan will run after the engine is turned off. These conditions are under high load and high temperature conditions.

    Engine Idling

    Avoid prolonged idling, long periods of idling may be harmful to your engine because combustion chamber temperatures can drop so low that the fuel may not burn completely...

    Cooling System Tips — Automatic Transmission

    To reduce the potential for engine and transmission overheating in high ambient temperature conditions, take the following actions: City Driving — When stopped, shift the transmission into NEUTRAL (N) and increase engine idle speed...

    Other information:

    Jeep Wrangler 2018-2025 Owners Manual: Reprogramming A Single HomeLink® Button


    To reprogram a single HomeLink® button that has been previously trained, without erasing all the channels, follow the procedure below. Be sure to determine if the new device you want to program the HomeLink® button to has a rolling code or a non-rolling code...

    Jeep Wrangler 2018-2025 Owners Manual: Diesel Particulate Filter (DPF) Messages


    This engine meets all required diesel engine emissions standards. To achieve these emissions standards, your vehicle is equipped with a state-of-the-art engine and exhaust system. These systems are seamlessly integrated into your vehicle and managed by the Powertrain Control Module (PCM)...

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    Erasing All The HomeLink® Channels

    To erase the channels, follow this procedure:

    Place the ignition switch into the ON/RUN position. Push and hold the two outside HomeLink® buttons (I and III) for up to 20 seconds, or until the HomeLink® indicator light flashes.

    NOTE:

    Erasing all channels should only be performed when programming HomeLink® for the first time. Do not erase channels when programming additional buttons.

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