how do i put a code into my (nissan almera ) cd stereo to unlock it ?

i got a second-hand cd stereo for my nissan almera and i'm not able to put a code on it,how do i go about doing this?
Shaz, January 2011


done
what model.
BASIC INSTRUCTIONS TO ENTER A BLAUPUNKT RADIO CODE
Switch the ignition key ON
Press and hold AS button * and the ON button at the same time
Display Shows SAFE then goes to 10 - - - - with a "Beep" from the speaker
Press Preset Button " 1 "repeatedly until the 1st Digit of your Code is displayed
Press Preset Button " 2" repeatedly until the 2nd Digit of your Code is displayed
Press Preset Button " 3" repeatedly until the 3rd Digit of your code is displayed
Press Preset Button " 4" repeatedly until the 4th Digit of your code is displayed
If the display now shows the correct Code number then
Press Button AS and hold to Enter and if successful there should be a
"Beep" from the speaker and the radio should switch on


press the first preset button 1 for the 1st digit, followed by (station +)
second button for the 2nd digit followed by (station +)
third button for 3rd digit followed by (station +)
forth button for 4th digit followed by (station +)
then press (station+) to store.

or philips
IF YOU DONT HAVE ¬ KEY THEN PUSH THUMBWHEEL IN AND SOME HAVE {A¬} KEY

Turn on the radio and the display will show 'CODE'
Use the steering controls for code entry.
Press the [ ¬] button then rotate the thumb wheel for the correct first digit
Press the [ ¬] button then rotate the thumb wheel for the correct second digit
Press the [ ¬] button then rotate the thumb wheel for the correct third digit
Press the [ ¬] button then rotate the thumb wheel for the correct fourth digit
If the correct code is now shown on screen,
press and hold the [ ¬] button for up to 10 seconds to store the code

FOR NO STEERING CONTROL
press the first preset button for the 1st digit,
second button for the 2nd digit
third button for 3rd digit
forth button for 4th digit
then press and hold buttons 6 to store. for 10 seconds

hay88, January 2011
link Click here to see other fixes for Nissan.