CD Changer/Player Communication Test Mode (CDCH)

When CDCH is on the display, press the RCL button to see if the CD changer/player Is receiving messages from the radio. If the CD changer/player does not receive the message, "Err" will appear on the display for two seconds, then CDCH will again be displayed. If the CD changer/player does receive the message, "OK" will appear on the display for two seconds, then CDCH will again be displayed.

IMPORTANT: If the vehicle is not equipped with a CD changer/player. "Err" will appear on the display, but there is no problem with the system.