Article ID : 00090668 / Last Modified : 08/26/2018

The buttons on the car audio unit do not work or respond, or the car audio unit randomly operates even though no command is given.

Applicable Products and Categories of This Article

IMPORTANT: This article applies only to specific products and/or operating systems. Check the Applicable Products and Categories section of this article before starting these steps.

This may be caused by a wrong connection of the microphone to the car audio unit. Make sure the microphone is properly connected to the MIC IN terminal, not the REMOTE IN terminal, on the back of the car audio unit. Also, disconnect any device connected to the REMOTE IN terminal.