PROGRAMMING SWC
•Turn on the ignition
•The LED will begin to blink rapidly
•Turn on the aftermarket radio
•Press volume up until radio responses
TESTING THE GMLAN29-100
•Turn the ignition on, and then turn the aftermarket radio on.
•Push the Onstar button, the radio should turn off (radio will mute if mute wire is connected) and you should hear Onstar. Push the Onstar cancel button and the radio should come back on.
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