Hard Key
This diagnostic screen checks the status of each of the hard buttons surrounding the navigation display. When you press each hard button, the corresponding item on the screen should flash blue. Touch the return key, or press and hold the joystick to exit.
NOTE:
It is normal for the VOL (+, -), CH (+, -) and MODE button to be inactive. Press the steering wheel remote buttons VOL (+, -), CH (+, -) and MODE to check their status on the screen.