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 2018-2026 Owners Manual: 3.6L Gasoline Engine

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Jeep Wrangler 2018-2026 Owners Manual: Coolant Level

The coolant bottle provides a quick visual method for determining that the coolant level is adequate. With the engine OFF and cold, the level of the engine coolant (antifreeze) in the bottle should be between the ranges indicated on the bottle. The radiator normally remains completely full, so there is no need to remove the radiator/ coolant pressure cap unless checking for engine coolant freeze point or replacing coolant...