Shop 1999 Buick Century Air Bag Impact Sensor (Rear). Envoy/Trailblazer/Rainier; All. Air Bag Crash Side, Right, Crash - OEM Buick Part # 10383584

Sensor. Impact.
A Sensor to determine the location on the vehicle of Impact and the severity of the Impact to determine if and which air bags should be deployed. Assembly - INFL Rest SI IMP. Air Bag. Ft. Rollover. Side.

Air Bag Impact Sensor

Fits Envoy, Rainier, Trailblazer

Envoy/Trailblazer/Rainier; All.
Air Bag Crash Sensor - Repair or Replace
An airbag or SRS light can sometimes indicate a problem with the impact sensor on your , particularly if it's been involved in a collision—at any speed. Have a technician inspect your vehicle's crash sensor.