Hello, l have my radio code for volvo s40 but l don't know how to put that in although the system is showing OFF at the moment, can you help please?
If the display says "Off" the radio is locked from incorrect code input.
You need to leave the key in the accessory position with the radio on (display reads 'Off') for about two hours.
After that it should ask for he code again. You have three tries before it locks again.
Some radios are different, but typically you use the knob to adjust the numbers, push the knob in to move to the next number
Is it 4326
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