Free Radio Code Entry Help for Grundig 550 RDS Porsche Radios.
Below are the instructions we hold for entering the code into your Grundig 550 RDS Porsche 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 the set on the display the checksum number will show followed by 'SAFE' then '1 - - - -'
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 [ FM ] key for a few seconds.
'SAFE' will display briefly and the set will operate.
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