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

If Engine Fails To Start

If the engine fails to start after you have followed the “Normal Starting” or “Extreme Cold Weather” procedure, it may be flooded. Push the accelerator pedal all the way to the floor and hold it there...

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...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: AdBlue® (UREA) Injection System Failure Warning Light — If Equipped

This warning light will illuminate along with a dedicated message on the display (if equipped) if an unknown fluid not conforming with acceptable characteristics is inserted, or if an average consumption of AdBlue® (UREA) over 50% is detected...

Jeep Wrangler 2018-2026 Owners Manual: EMISSIONS INSPECTION AND MAINTENANCE PROGRAMS

In some localities, it may be a legal requirement to pass an inspection of your vehicle's emissions control system. Failure to pass could prevent vehicle registration. For states that require an Inspection and Maintenance (I/M), this check verifies the Malfunction Indicator Light (MIL) is functioning and is not on when the engine is running, and that the OBD II system is ready for testing...