Jeep Wrangler: Yellow Indicator Lights / Sway Bar Indicator Light — If Equipped

Service Adaptive Cruise Control Warning Light — If Equipped

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Wait To Start Light — If Equipped

This indicator light will illuminate for approximately two seconds when the ignition is turned to the ON/RUN position. Its duration may be longer based on colder operating conditions...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: Diesel Exhaust Fluid

Your vehicle is equipped with a Selective Catalytic Reduction (SCR) system to meet the very stringent diesel emissions standards required by the Environmental Protection Agency. The purpose of the SCR system is to reduce levels of NOx (oxides of nitrogen emitted from engines) that are harmful to our health and the environment to a near-zero level...

Jeep Wrangler 2018-2026 Owners Manual: 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. Its use is recommended for environments that routinely fall below -10°F (-23°C)...