Jeep Wrangler: Yellow Warning Lights / Service Forward Collision Warning (FCW) Light — If Equipped

Service 4WD Warning Light — If Equipped

This warning light will illuminate to signal a fault with the 4WD system. If the light stays on or comes on during driving, it means that the 4WD system is not functioning properly and that service is required...

Service Stop/Start System Warning Light — If Equipped

This warning light will illuminate when the Stop/Start system is not functioning properly and service is required. Contact an authorized dealer for service...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: ENGINE BLOCK HEATER — IF EQUIPPED

The engine block heater warms the engine, and permits quicker starts in cold weather. Connect the cord to a standard 110-115 Volt AC electrical outlet with a grounded, three-wire extension cord. Diesel Engine Block Heater Cord Location The engine block heater cord is found under the hood bundled up next to the Power Distribution Center (PDC)...

Jeep Wrangler 2018-2026 Owners Manual: Tire Pressures For High Speed Operation

FCA advocates driving at safe speeds and within posted speed limits. Where speed limits or conditions are such that the vehicle can be driven at high speeds, maintaining correct tire inflation pressure is very important. Increased tire pressure and reduced vehicle loading may be required for high-speed vehicle operation...