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Always disable the supplemental inflatable restraint (SIR) system when working with or near anything connected to the SIR. The system maintains reserved power in case the battery is disconnected during a crash. The power is available for several minutes after the battery is disconnected. Wait at least 2 or 3 minutes after disconnecting the battery before working near any of the SIR systems.

It might not be the switches, especially if they all stopped working at the same time. There are many things that could cause the switches to stop working. The switches connect to a series of resistors and the airbag coils and then they go to the Body Control Module. Depending on the resistance, the body control module knows which switch was pushed. On a 2014 Cruze, the wires for the switches and air bag coil go to pins 8 and 4 of the BCM connector X3 (green). I don't know for sure, but it might be possible to test them at this location. It could be possible to break the BCM or deploy the airbags, or cause a lot of other damage by messing with these wires.
 
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