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: Maintaining Your Air Bag System


    WARNING! Modifications to any part of the air bag system could cause it to fail when you need it. You could be injured if the air bag system is not there to protect you. Do not modify the components or wiring, including adding any kind of badges or stickers to the steering wheel hub trim cover or the upper passenger side of the instrument panel...

    Jeep Wrangler 2018-2025 Owners Manual: Special Additives


    FCA strongly recommends against using any special additives in the transmission. Automatic Transmission Fluid (ATF) is an engineered product and its performance may be impaired by supplemental additives. Therefore, do not add any fluid additives to the transmission...

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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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