Free Radio Code Entry Help for Clarion CB81669SO Radios.
Below are the instructions we hold for entering the code into your Clarion CB81669SO car radio.
We do not guarantee the accuracy of the information contained on these pages.
If you find our instructions are either incorrect or not available, please let us know, where possible we would appreciate if you could supply any instructions you found to work for your radio.
Code Entry Instructions
After switching on the set will display 'CODE' which will flash.
Press the [ AUTO-M ] and preset [ 6 ] key together until ' - - - - ' displays.
Press preset [ 1 ] repeatedly for the first digit
Press preset [ 2 ] repeatedly for the second digit
Press preset [ 3 ] repeatedly for the third digit
Press preset [ 4 ] repeatedly for the fourth digit
To save the code press the [ AUTO-M ] and preset [ 6 ] together again.
CODE will flash slowly followed by the clock displaying.
Press the power switch to operate the radio.