Airbag system repair

[ahmadhamidli]

Hello everyone.

My equinox both side airbags(roof airbags) are deployed.
Which parts should i change?

i mean:
New airbags
Pretensioner
Loosen Belt buckle
Airbag sensor
and reset airbag control unit?

Or you only install new airbags and reset control unit ?

Thank you.

Details if needed : Car Pictures