Briefly press it to activate the traffic alarm function; press and hold it to select the bands.
10.REL/NAV button
Press it to slide down the front panel, then you can insert or eject a disc or a SD card. Press and hold it to activate GPS function.
11.Cursor buttons
Left/Right/Up/Down/F.REW/F.F/Next track/Previous Track;
12.ANGLE+/ANGLE- Button
Inner panel
13.Eject button
Press it to eject a disc.
14.Disc Loading Slot
Press REL first before you load the disc.
15.SD Card Slot
16.Navigation SD card slot
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