GM Genuine Parts Courtesy Light Switches are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These switches, typically mounted on the roof of the vehicle interior, allow power to flow to the courtesy light when activated. In doing so, the interior of your vehicle can be illuminated for passengers. 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 for exact fit replacement for GM vehicles
• 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