In Class II vehicles, there are two-ways to program the SWC. If your vehicle is not on the
following list please refer to the "All Other Vehicle" section.
BUICK
Rainier
CADILLAC
Escalade (all models)
CHEVROLET
Avalanche
Cavalier
Silverado
Silverado Classic
SSR
Suburban
Tahoe
Trailblazer
GMC
Envoy
Sierra
1. Turn on the ignition.
2. Turn on the radio.
3. The LED on the GMOS-100 will begin to blink rapidly.
4. Turn on the aftermarket radio.
5. Tap "Volume Up" until radio responses.
All Other Vehicles
1) Turn "on" the ignition.
2) The LED will go on solid.
The following buttons must be pressed in 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 all five buttons, the LED will turn "off".
Continued onto Sections 4 and 5
Section 3: Class II
Programming SWC
2004-2007
2003-2006
2003-up
2000-2005
2003-2006
2007
2003-2006
2003-2006
2003-up
2002-2009
2002-2009
2003-2006
3.4
GMC continued
Sierra Classic
Yukon (all models)
HUMMER
H2
ISUZU
Ascender
OLDSMOBILE
Bravada
PONTIAC
Sunfire
SAAB
9-7x
2007
2003-2006
2003-2007
2003-2008
2002-2004
2000-2005
2005-2009