Jeep Wrangler: STARTING THE ENGINE — GASOLINE ENGINE (IF EQUIPPED) / Normal Starting

Automatic Transmission — If Equipped

Start the vehicle with the gear selector in the PARK position (vehicle can also be started in NEUTRAL). Apply the brake before shifting to any driving range...

To Turn On The Engine Using The ENGINE START/STOP Button

The transmission must be in PARK or NEUTRAL. Press and hold the brake pedal while pushing the ENGINE START/STOP button once. The system takes over and attempts to start the vehicle...

Other information:

Jeep Wrangler 2018-2025 Owners Manual: 2.0L Engine and 3.6L Engine

2.0L 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...

Jeep Wrangler 2018-2025 Owners Manual: Extreme Cold Weather

The engine block heater is a resistance heater installed in the water jacket of the engine. It requires a 110–115 Volt AC electrical outlet with a grounded, three-wire extension cord. Its use is recommended for environments that routinely fall below -10°F (-23°C)...