airbag light comes on while driving on 1999 Chrysler 300M

past few days airbag light comes on while drivin. This morning it caused all warning light to come on and gas tank gage dropped like no gas in car

Asked by for the 1999 Chrysler 300M
You have multiple air bag systems in your vehicle, Frontal, Side and Seat. All have separate modules and any one of these detecting a condition outsideofits set parameters will set the "airbag" lamp on, however, from your description, you may have an Instrument Cluster, or Body Control Module (BCM) issue. I recommend you take the vehicle to your local dealership for inspection and diagnosis.