Operating Instructions — Radio Mode

NOTE: The ignition switch must be in the ON/RUN or ACC position to operate the radio.

See also:

After Starting
The idle speed will automatically decrease as the engine warms up. ...

MOPAR Parts
MOPAR fluids, lubricants, parts, and accessories are available from an authorized dealer. They are recommended for your vehicle in order to help keep the vehicle operating at its best. ...

Tire Chains
Tire chains may be installed on all models except the Sahara and Rubicon. Install chains on rear tires only. Follow these recommendations to guard against damage and excessive tire and chain wear ...