See also:

How to use brightness control and display ON/OFF button
Push the “ OFF” button to switch the display brightness to the daytime mode or the nighttime mode, and to adjust the display brightness using the INFINITI controller while the indicator is displayed ...

Front auxiliary input jacks
The front auxiliary input jacks are located in the console box. NTSC compatible devices such as video games, camcorders and portable video players can be connected to the auxiliary jacks. Co ...

Call volume
Adjusting the incoming or outgoing call volume may improve clarity if reception between callers is unclear. ● Incoming call—adjusting this setting allows you to hear a difference in volume. ...