Jeep Wrangler 2018-2024 Owners Manual / TECHNICAL SPECIFICATIONS / FUEL REQUIREMENTS — GASOLINE ENGINE / 2.0L Engine and 3.6L Engine

Jeep Wrangler: FUEL REQUIREMENTS — GASOLINE ENGINE / 2.0L Engine and 3.6L Engine

2.0L Engine

Jeep Wrangler. 2.0L Engine and 3.6L Engine This engine is designed to meet all emission requirements, and provide satisfactory fuel economy and performance, when using high-quality unleaded “regular” gasoline having an octane rating of 87, as specified by the (R+M)/ 2 method. The use of 91 or higher octane “premium” gasoline will allow these engines to operate to optimal performance. This increase in performance is most noticeable in hot weather or other heavier load conditions, such as while towing.

3.6L Engine

Jeep Wrangler. 2.0L Engine and 3.6L Engine This engine is designed to meet all emissions regulations and provide satisfactory fuel economy and performance when using high-quality unleaded “Regular” gasoline having an octane rating of 87 as specified by the (R+M)/ 2 method. The use of higher octane “Premium” gasoline will not provide any benefit over “Regular” gasoline in these engines.

FUEL REQUIREMENTS — GASOLINE ENGINE

While operating on gasoline with the required octane number, hearing a light knocking sound from the engine is not a cause for concern. However, if the engine is heard making a heavy knocking sound, see a dealer immediately...

Reformulated Gasoline. Materials Added To Fuel. Gasoline/Oxygenate Blends

Reformulated Gasoline Many areas of the country require the use of cleaner burning gasoline referred to as “reformulated gasoline”. Reformulated gasoline contains oxygenates and are specifically blended to reduce vehicle emissions and improve air quality...

Other information:

Jeep Wrangler 2018-2024 Owners Manual: To Turn Off The Engine Using ENGINE START/STOP Button

Place the gear selector in PARK, then push and release the ENGINE START/STOP button. The ignition will return to the OFF mode. If the gear selector is not in PARK (with vehicle stopped) and the ENGINE START/ STOP button is pushed once, the transmission will automatically select PARK and the engine will turn off while the ignition will remain in the ACC mode (NOT the OFF mode)...

Jeep Wrangler 2018-2024 Owners Manual: Using Your Owner’s Site

Your Owner’s Site website https://www.mopar.com/en-us.html (US Residents), or www.mopar.ca (Canadian Residents) provides you with all the information you need, all in one place. You can track your service history, find recommended accessories for your vehicle, watch videos about your vehicle's features, and easily access your manuals...

Remote Start system

Jeep Wrangler. Remote Start system This system uses the key fob to start the engine conveniently from outside the vehicle while still maintaining security. The system has a range of approximately 300 ft (91 m).