[hot_sd]

I've not worked on the airbag system myself but having looked at the factory manual in the past about how the airbags work this is what I understand - the airbag error codes are also sent to the OBD2 connector which is located under the driver's seat. However, the normal connector on which the engine data comes out is pin 7. In the Metro pin 9 is is used to send out airbag data. I am assuming that if you take a regular OBD2 code reader and make an adaptor which takes out data from pin 9 on the DLC and sends in to pin 7 of the code reader should be able to read and reset the codes. The airbag codes usually tend to be not universal across cars so you will need the factory manual which explains all the codes.

Depending on what you need to do you may need additional tools to work with the airbags and be careful you do not accidentally deploy them. Get the factory manual if you plan to work on it as it tells you how to disable it etc. Check out ebay as I do see some of these tools selling on there for reasonable rates.