How to Enter your Jeep Code
Turn on the radio, "CODE" should be displayed on the screen
To enter the code only requires the use of pre-set buttons 1-4.
Start with button 1 pressing multiple times until the correct first digit is shown on the screen
Next repeat the same with buttons 2,3 and 4 until the correct code is displayed.
If you go past your desired number, keep pressing until cycled past 9 and goes back to 0.
The enter button on Jeeps varies on each model but 90% of units are holding the "ENTER" or "OK" button for 2-5 seconds to confirm the code into the radio.