The radio’s display will show “SEC”, which indicates that you have unlocked the radio successfully and it is now fully operational. Once all of 4 digits are displayed, press the FM/AM button to unlock the stereo.
After that, press the minute button till the last 2 numbers of the code appear. Press the hour button of the radio till the first 2 numbers of the code show up.
After this task, you will be provided a radio code with four digits. You need to make sure that they should be entered in the right order.