Changing Customer's Code

In order to change the customer's code perform the following;
1. Unlock the radio.
2. Ensure there is no customer code currently stored in the radio.

In order to determine whether or not there is a customer's code stored:
1. Press and hold the pushbuttons 1 and 4 until the display changes.
2. If SEC is displayed, there is a customer's code stored. Remove the stored code. Refer to Removing the Customer's Code. If --- is displayed there is no code stored and a new code can be added.