Below are the instructions we hold for entering the code into your Grundig WKC 3905 RDS 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.
After switching on the set will display 'SAFE' followed by ' 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 and hold the ' U ' key for a few seconds. The display will briefly show 'SAFE'.
The set will now operate.
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David Greaves
Obtained the correct code for my Renault van radio, very easy thank you!
Sean Crow-Brown
I’ve had no radio for years because I refused to pay £30 from the dealership. Got my serial number through a full service at no extra cost and for just £4.99 I now have a working radio again!
Gareth Latham
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