Jeep Wrangler 2018-2025 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 2018-2025 Owners Manual: Front Passenger Easy Entry Seat — Two Door Models

Pull upward on the easy entry lever located on the outboard side of the seat back, and slide the entire seat forward. Easy Entry Lever To return the seat to a sitting position, fold the seatback upright until it locks and push the seat rearward until the track locks...

Jeep Wrangler 2018-2025 Owners Manual: 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. Highway Driving — Reduce your speed...

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).