its in the owners manuel it is not very hard.
To enter the radio code for a Vauxhall Vectra 2.2 (52 reg), first turn on the ignition and switch on the radio. The display should prompt you for the code, usually showing "CODE" or "0000." Use the radio preset buttons to input the code, pressing each button corresponding to the digits of the code. After entering the correct code, the radio should unlock and start functioning normally.
you must re enter the security code for the radio to work
To unlock a Vectra radio, you typically need the radio's unique security code, which is often found in the owner's manual or on a card that came with the vehicle. If you don’t have the code, you can retrieve it by contacting a dealership with your vehicle's VIN or by using specialized radio unlocking services. Once you have the code, turn on the radio, enter the code using the preset buttons, and confirm it to unlock the radio. If unsuccessful, you may need to wait for a specified time before trying again.
Press and hold AS button, enter PIN code, press and hold AS button again To enter the PIN code, depress the 1 button until you get the correct number. Repeat using buttons 2 3 and 4.
Turn the radio off, press AS and hold, press on button. 7safe comes up but leave it in n this mode for about 10 minutes or so then as if by magic the code - - - - comes up. Enter code as normal and radio ok. woot :-)
on the comand for radio enter your code
How to enter your2003 Acura tl radio unlock code
how do i enter my code for my cd player in my vauxhall vactra cd 2000?
Enter the code with the preset buttons on the radio.
To unlock the radio in a 2004 Malibu, you'll need the radio's security code, which is often found in the owner's manual or can sometimes be obtained from the dealership. If you don't have the code, you may need to remove the radio and check the serial number, then contact the manufacturer or a dealership for assistance. Once you have the code, turn on the radio and enter the code using the preset buttons. If entered correctly, the radio should unlock.
Use your radio Pre-Set channel to enter code
To unlock the radio on a 2004 Acura MDX, you typically need the radio code, which is a four or five-digit number. This code can usually be found in the owner's manual, on a card that came with the vehicle, or by contacting an Acura dealership with your Vehicle Identification Number (VIN) and proof of ownership. If the radio is locked, you can enter the code using the radio preset buttons.