Instructions to enable  AUX on the Traffic Pro
NOTE: You cannot have a CD-changer and AUX.. they use the same input

Pressing the AUX  gets you this Screen



HOW TO ENABLE
 

This is detailed on page 44 (section 9.1)  of the owner's manual, CD changer reset step... note the RES on the screen....
 

PRESS:
1.  RAD  to enter the radio mode
2. NAV and F10 (furthest to the right) button at the same time
3. Scroll by pressing Nxt to this screen
 
 

Press the AUX  button here to DISABLE/ENABLE