See also:

Operating Instructions — Radio Mode
NOTE: The ignition switch must be in the ON or ACC position to operate the radio. ...

Extreme Cold Weather (Below –20°F Or 29°C)
To ensure reliable starting at these temperatures, use of an externally powered electric engine block heater (available from your dealer) is recommended. ...

Using The RKE Transmitter
Three-button RKE transmitters will provide basic UNLOCK, LOCK and PANIC functions. Key Fob With Three-Button RKE Transmitter Seven-button RKE transmitters will provide functions that allow the ...