GM Genuine Parts Anti-Theft Alarm Sirens are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sirens function by emitting a high-volume sound when your vehicle's anti-theft system is triggered to engage. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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• Designed to provide added security
• Helps to deter theft of vehicle or its contents
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies