Wait for two minutes before you can disconnect the negative battery cable. Disconnecting airbag electrical connectors for driver's side either by using a T25 Tone screwdriver that is inserted through the hole in the front-side of the steering wheel or by inserting a T20 Tone screwdriver through the hole in the base of the steering wheel. Don't forget to do all this again on the other side. In both cases, while you are handling an airbag module, make sure that it is not pointed towards your body when opening and never put it on any surface with its opening facing downwards. Push on and then connect back electrical connectors and insert airbag until locked. For passenger's side air bag remove glove box, pry up locking catch and unplug airbag electrical connector(s). Take off nuts which fixate retaining mechanism and remove air bag from vehicle part. The installation takes place as described above but backwards than how removal was done; control unit arrow should be pointed towards front of a car. To extract impact sensors, take out suitable trim panels along with insulation materials. When these devices are getting removed from automobile just unscrew bolts and disconnect them via electric block respectively. Fasten all screws tightly according to prescribed torque rate when you tighten their bolts up after completing each step of work described above.