Jeep Wrangler 2018-2026 Owners Manual / STARTING AND OPERATING / STARTING THE ENGINE — DIESEL ENGINE (IF EQUIPPED) / Automatic Transmission

Jeep Wrangler: STARTING THE ENGINE — DIESEL ENGINE (IF EQUIPPED) / Automatic Transmission

Start the engine with the transmission gear selector in the PARK (P) position. Apply the brake before shifting to any driving range.

STARTING THE ENGINE — DIESEL ENGINE (IF EQUIPPED)

Before starting your vehicle, adjust your seat, both inside and outside mirrors, and fasten your seat belts. The starter is allowed to crank for up to 30-second intervals...

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...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: 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. Use of gasoline with an octane number lower than recommended octane can cause engine failure and may void the New Vehicle Limited Warranty...

Jeep Wrangler 2018-2026 Owners Manual: Wrangler Instrument Cluster

Basic Voice Commands

The basic Voice Commands below can be given at any point while using your Uconnect system. Push the VR button on the steering wheel. After the beep, say:

“Cancel” to stop a current voice session. “Help” to hear a list of suggested Voice Commands. “Repeat” to listen to the system prompts again.