99. Reset ButtonPress to reset system to correct a system halt or other illegal operation, usethe tip of a pen to press the reset button.10. Scroll Tuning Knob:When the unit is set to Radio mode pressing this button will acquire the nextor previous available frequency. When the unit is set to iPod/MP3/USB/SDplayer mode, this button will select a song in iPod/MP3/USB/SD player modeor channel in Satellite radio mode.11. NAV ButtonPress this button to access the Navigation mode.12. DEST ButtonPress this button as a shortcut to access the Navigation mode and enter adesired destination.13. RPT ButtonPress to repeat the voice guidance or instructions while in the Navigationmode.14. MENU ButtonPress this button to access the main menu.15. AUDIO ButtonPress to switch the various audio sources applied to the unit. Press and holdfor 2 seconds to turn the audio off.16. FAVORITE ButtonPress to access AM, FM and Sat. Radio presets. For example changing theprogram mode from Sat. Radio to DVD, and then pressing the FAV button, theprogram will return to Sat. Radio and display the presets list at the same time.Press to access the desired preset list (Group 1 through 6, each containing 5presets). When the desired group is accessed, press and hold the preset loca-tion for 2 seconds to save the channel as a favorite.17. SEEK ButtonWhen in the Radio mode pressing this button will acquire the next availablefrequency. When the unit is set to iPod/MP3/USB/SD player mode, this but-ton will select the next song in iPod/MP3/USB/SD player mode or channel inSatellite radio mode.18. SEEK ButtonWhen the unit is set to Radio mode pressing this button will acquire the nextavailable frequency. When the unit is set to iPod/MP3/USB/SD player mode,this button will select the next song in iPod/MP3/USB/SD player mode orchannel in Satellite radio mode.