1.
Turn on the ignition.
2.
Turn on the radio.
3.
The LED on the GMOS-100 will turn on solid.
4.
The following buttons must be pressed in the following order:
• Volume Up, Seek Up, Band, PTT/Mute, Fan Up (each button pressed will be
acknowledged with the LED on steadily).
• If any of the above buttons are not present, substitute with Volume Up.
For example, if a vehicle does not Band and Fan Up, you would press Volume Up,
Seek Up, Volume Up, PTT/MUTE, Volume Up.
• After you have pressed five buttons, the LED will turn off.
• If you press the buttons incorrectly, turn off the ignition and repeat the above steps.
If done incorrectly it can be done again by pressing the "Volume Up" button for 15
seconds until the LED goes into fast blink mode again.
Continued onto Sections 4 and 5
Section 2: GM LAN 11
Programming SWC
2.4