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) ...

ACC Unavailable Warning
If the system turns off, and the EVIC displays “ACC/ FCW Unavailable, Vehicle System Error”, there may be a temporary malfunction that limits ACC functionality. Although the vehicle is still ...

Activating Adaptive Cruise Control (ACC)
You can only activate ACC if the vehicle speed is above 20 mph (32 km/h). When the system is turned on and in the READY state, the Electronic Vehicle Information Center (EVIC) displays “Adapt ...