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stereoaz, Car Electronics Technician
Category: Car Electronics
Satisfied Customers: 113
Experience:  35 years in car audio,my shop won iasca world title ,custom fabrication,expert installer.
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I have a sony cdx-gt640ui. I recently turned it on

Customer Question

I have a sony cdx-gt640ui. I recently turned it on and it is is demo mode. I read the manual and it suggested that I hold in the select button until the menu came up, select menu and turn off demo. Unfortunately I cannot get the select button to do anything and so I cannot access the menu. I've tried the reset a few times and that hasn't gooten me anywhere.
Submitted: 1 year ago.
Category: Car Electronics
Expert:  Thomas Tullo replied 1 year ago.
Hi my name is***** wont work because the default is on
Expert:  Thomas Tullo replied 1 year ago.
i can be on phone while you are right in front of radio and we can get demo off