External Audio Source Connection -R199-, REMOVING AND INSTALLING, AUX IN: Notes
The External Audio Source Connection -R199- (AUX IN) is located in the center console storage compartment.
-- Turn off the ignition and all electrical consumers and remove the ignition key.
WARNING:
Danger of unintended engine ignition
Turn off the ignition and remove the ignition key from the vehicle interior for all work performed on the high voltage vehicle.