Nissan Maxima Owners Manual: Audio
Some of the information and operations available on the control panel can also be viewed and operated on the vehicle information display. The vehicle information display operations can be conducted with the switches on the steering wheel.
Use or and select on the vehicle information display main menu.
The vehicle information display shows the status for the audio source currently in use.
Some examples of what will be displayed:
Pushing the source button will display a list of available sources to select with the steering switch controls if the ignition is on, or cycle through the available audio sources in accessory mode.