Maintaining Your Vehicle
Jeep Wrangler / Jeep Wrangler Owner's Manual / Maintaining Your Vehicle
See also:
System Status
Displays SYSTEM OK if there are no active Warning Messages stored. Pressing and
releasing the DOWN button when SYSTEM OK is displayed will do nothing.
Displays SYSTEM WARNINGS PRESENT if there are ...
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. ...
Emissions Inspection And Maintenance Programs
In some localities, it may be a legal requirement to pass
an inspection of your vehicle’s emissions control system.
Failure to pass could prevent vehicle registration.
For states that require ...


