See also:

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 authorized dealer) is recommended. ...

Programming Additional Transmitters
Refer to Sentry Key “Customer Key Programming.” If you do not have a programmed RKE transmitter, contact your authorized dealer for details. ...

Display Fuel Saver — If Equipped
The “ECO” message is located in the Compass/ Temperature display; this message can be turned on or off. To make your selection, press and release the SELECT button until a check-mark appears ...