Jeep Wrangler 2018-2025 Owners Manual / STARTING AND OPERATING / STARTING THE ENGINE — DIESEL ENGINE (IF EQUIPPED) / Starting Fluids

Jeep Wrangler: STARTING THE ENGINE — DIESEL ENGINE (IF EQUIPPED) / Starting Fluids

The engine is equipped with a glow plug preheating system. If the instructions in this manual are followed, the engine should start in all conditions and no type of starting fluid should be used.

WARNING!

Do not leave children or animals inside parked vehicles in hot weather. Interior heat build-up may cause serious injury or death.
When leaving the vehicle, always make sure the keyless ignition node is in the “OFF” mode, remove the key fob from the vehicle and lock the vehicle.
Never leave children alone in a vehicle, or with access to an unlocked vehicle. Allowing children to be in a vehicle unattended is dangerous for a number of reasons. A child or others could be seriously or fatally injured. Children should be warned not to touch the parking brake, brake pedal or the gear selector.
Do not leave the key fob in or near the vehicle, or in a location accessible to children, and do not leave the ignition of a vehicle equipped with Keyless Enter-N-Go in the ACC or ON/RUN mode. A child could operate power windows, other controls, or move the vehicle.

Normal Starting

Observe the instrument cluster lights when starting the engine. NOTE: Normal starting of either a cold or a warm engine is obtained without pumping or pressing the accelerator pedal...

NORMAL OPERATION — DIESEL ENGINE

Observe the following when the diesel engine is operating: All message center lights are off. Malfunction Indicator Light (MIL) is off. Engine Oil Pressure telltale is not illuminated...

Other information:

Jeep Wrangler 2018-2025 Owners Manual: IF YOUR ENGINE OVERHEATS

If the vehicle is overheating, it will need to be serviced by an authorized dealer. In any of the following situations, you can reduce the potential for overheating by taking the appropriate action. On the highways — slow down. In city traffic — while stopped, shift transmission into NEUTRAL, but do not increase engine idle speed...

Jeep Wrangler 2018-2025 Owners Manual: Important Safety Precautions

Please pay close attention to the information in this section. It tells you how to use your restraint system properly, to keep you and your passengers as safe as possible. Here are some simple steps you can take to minimize the risk of harm from a deploying air bag: Children 12 years old and under should always ride buckled up in the rear seat of a vehicle with a rear seat...

Automatic Headlights — If Equipped, Lights-On Reminder

Automatic Headlights

This system automatically turns the headlights on or off according to ambient light levels. To turn the system on, rotate the headlight switch clockwise to the last detent for automatic headlight operation. When the system is on, the headlight time delay feature is also on. This means the headlights will stay on for up to 90 seconds after you place the ignition into the OFF position. To turn the automatic system off, move the headlight switch out of the AUTO position.