This can be a pain in the neck. Perform at your own risk. if the system is not completely discharged you can deploy the new airbags and seriously hurt yourself BE CAREFUL. These are the steps I followed. These are generalized instructions refer to vehicle specific service manual for more details. Otherwise take it to repair shop. First disconnect the Negative battery terminal. I ussualy step on the brak pedal for a few seconds and then let the car sit for at least 10 minutes. You want to make sure all capacitors are discharged. Any current in the system can deploy the new airbags when they are plugged in. Once the car has sat for at least 10 minutes after the battery has been disconnected. You can proceed to remove your airbag (s). This is vehicle specific can't help you as to locations of screw and such. Be gentle and cautious when plugging new ones in. This is one of the dangerous parts. When you have replaced the air bags. You should follow this procedure to make sure your not in the vehicle when it is powered on. DO NOT CONNECT BATTERY YET. Place the key in the ignition and turn it to the run position. Then reconnect the battery terminal. This is just in case your new airbags decide to deploy when powered on you are not in the vehicle and you wont get hurt. once it cycles through you should be fine. Chances are the airbag light will remain on until its reset with a scan tool.