See also:

DISC Button
Pressing the DISC button will allow you to switch from AM/FM modes to Disc modes. ...

Using The Remote Control
1. Press the MODE button on the Remote Control. 2. While looking at Screen 1, highlight DISC by either pressing Up/Down/Left/Right buttons or by repeatedly pressing the MODE button, then press EN ...

Defroster
Check operation by selecting the defrost mode and place the blower control on high speed. You should be able to feel the air directed against the windshield. See your authorized dealer for service ...