Jeep Wrangler: WARNING LIGHTS AND MESSAGES / Blue Indicator Lights

Cruise Control SET Indicator Light — If Equipped With Base Instrument Cluster

..

High Beam Indicator Light

This indicator light will illuminate to indicate that the high beam headlights are on. With the low beams activated, push the multifunction lever forward (toward the front of the vehicle) to turn on the high beams...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: FCW Braking Status And Sensitivity

The FCW Sensitivity and Active Braking status are programmable through the Uconnect system. Far When the sensitivity of FCW is set to the “Far” setting and the system status is “Only Warning”, this allows the system to warn the driver of a possible more distant collision with the vehicle in front using audible/visual warnings...

Jeep Wrangler 2018-2026 Owners Manual: Diesel Exhaust Fluid Storage

Diesel Exhaust Fluid (DEF) is considered a very stable product with a long shelf life. If DEF is kept in temperatures between 10° and 90°F (-12° and 32°C), it will last a minimum of one year. DEF is subject to freezing at the lowest temperatures...