How can I troubleshoot the infotainment system in my Audi A6?

My Audi A6's infotainment system is not functioning properly. I am unable to access certain features or connect my phone. What steps should I take to troubleshoot and fix this issue?

First, try resetting the infotainment system by holding down the power button for 10 seconds. If that doesn't work, check for any software updates and install them as necessary.

Make sure all the cables and connections for the infotainment system are secure and not damaged. Often, simple fixes like this can resolve any issues with the system.