If your airbag light is on, that means the airbag doesn't work in case of a crash. So it's important you get it checked, most likely there is a bad contact between the airbag ecu and the airbag, a common bad contact is in the wiring in the steering collum.
Answers & Comments
You will need a code reader! Go to a garage and ask nicely, they should be able to reset for you!
If your airbag light is on, that means the airbag doesn't work in case of a crash. So it's important you get it checked, most likely there is a bad contact between the airbag ecu and the airbag, a common bad contact is in the wiring in the steering collum.