See also:

Onboard Diagnostic System – OBD II
Your vehicle is equipped with a sophisticated onboard diagnostic system called OBD II. This system monitors the performance of the emissions, engine, and automatic transmission control systems. ...

Premium System – If Equipped
The Tire Pressure Monitor System (TPMS) uses wireless technology with wheel rim-mounted electronic sensors to monitor tire pressure levels. Sensors, mounted to each wheel as part of the valve st ...

Smooth, quiet ride
But most people won't get out into the wild with the Unlimited and they'll enjoy it just the same on the highway. Jeep added a few acoustic improvements to make the ride quieter, though those are ...