After Starting
Jeep Wrangler / Jeep Wrangler Owner's Manual / Starting And Operating / Starting Procedures / After Starting
The idle speed will automatically decrease as the engine warms up.
See also:
Power-Up
After switching the ignition key from OFF to either the ON or ACC position, or
after a language change, you must wait at least five seconds prior to using the
system.
...
Floor Mat Safety Information
Always use floor mats designed to fit the footwell of your vehicle. Use only
floor mats that leave the pedal area unobstructed and that are firmly secured so
that they cannot slip out of position ...