Code Entry as Follows:

Switch On Ignition (No Need To Start Engine)
Turn Off Stereo
Press & Hold Preset " AS " and
Switch Radio On - Display Shows
" SAFE " And Then Shows " 10 - - - - "
Enter CODE in the order it is read
For Example, To Enter Code 1234
Press Preset 1 then 2 then 3 then 4
If the correct code number is now shown
Press & Hold Preset " AS " Until the Unit Beeps