See also:

Media Center 230 (REQ) — AM/FM Stereo Radio And 6–Disc CD/DVD Changer (MP3/WMA AUX Jack)
NOTE: The radio sales code is located on the lower right side of the radio faceplate. Media Center 230 (REQ) ...

Media Center 730N/430/430N (RHR/RER/ RBZ/RHB) CD/DVD/HDD/NAV — If Equipped . .
NOTE: The sales code is located on the lower right side of the unit’s faceplate. Refer to your Uconnect™ Multimedia RHR, RER, RBZ or RHB user’s manual for detailed operating instructions. ...

Engine Block Heater — If Equipped
The engine block heater warms the engine, and permits quicker starts in cold weather. Connect the cord to a standard 110-115 Volt AC electrical outlet with a grounded three-wire extension cord. ...