Jeep Wrangler: WARNING LIGHTS AND MESSAGES / Yellow Indicator Lights

Tire Pressure Monitoring System (TPMS) Warning Light

The warning light switches on and a message is displayed to indicate that the tire pressure is lower than the recommended value and/or that slow pressure loss is occurring...

4WD Indicator Light — If Equipped

This light alerts the driver that the vehicle is in the four-wheel drive mode, and the front and rear driveshafts are mechanically locked together forcing the front and rear wheels to rotate at the same speed...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: ROOF LUGGAGE RACK — IF EQUIPPED

NOTE: Roof rack applications are for Hard Top models ONLY. The load carried on the roof, when equipped with a luggage rack, must not exceed 100 lb (45 kg), this includes the weight of the crossbars, and it should be uniformly distributed over the cargo area...

Jeep Wrangler 2018-2026 Owners Manual: Engine Oil

Engine Oil Selection — 2.0L Engine (If Equipped) For best performance and maximum protection under all types of operating conditions, the manufacturer only recommend engine oils that are API SP/GF-6A certified and meet the requirements of the manufacturer Material Standard MS-13340...