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Speed air bag deploy on a 2003 Chevy Trailblazer?

The 2003 Chevy Trailblazer doesn't have "speed airbags." There's no airbag system that deploys based solely on vehicle speed. Airbag deployment is determined by a complex system that considers several factors, including:

* Crash Severity: Sensors detect the force and direction of impact. A certain threshold of force must be exceeded for airbags to deploy.

* Occupancy: Sensors in the seats detect the presence and weight of occupants. This influences whether airbags deploy and with what force.

* Impact Location: The location of the impact (front, side, etc.) determines which airbags deploy.

If you're experiencing unexpected airbag light illumination or suspect a problem with your Trailblazer's airbag system, do not attempt to diagnose or repair it yourself. Airbag systems are complex and potentially dangerous. Take your vehicle to a qualified mechanic or dealership for diagnosis and repair. Improperly handling the system could lead to injury or even death.