Transponder key required when purchasing a Model 791 bypass.

Transponder Key for General Motors Vehicles

Buick:

• Park Avenue 1997-2005
  
• Terraza 2005-2006
  

Oldsmobile:

• Silhouette 1999-2004
  

Pontiac:

• Montana 1999-2004
  
• Transport 1999-2004
  

Chevrolet

• Uplander 2005-2006
  
• Venture 1999-2005