Changing The Customers Code

In order to change the customers 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 customers code stored:
1. Press and hold the pushbuttons 1 and 4 until the display changes
2. If SEC is displayed, there is a customers code stored. Remove the stored code. Refer to Removing the Customers Code. If - - - is displayed there is no code stored and a new code can be added.