Tack tack! I'll try this in my Mazda5 2008. Greeting from your neighbour Finland!
Originally Posted by benny-z
Greetings from Sweden
I had Err on the display after 3 unsuccessful attempts to enter the code.
I tested Blue_SP20 solution, but it did not help, however I tested hold the volume button (the left button) and FM½ button simultaneously and the radio started and the error code disappeared.
Hope this can help others.
Mazda 5, 2008 radio
Thank you guys anyway.