Most likely cause is the clockspring in the steering column. Call your local dealer with your vin number. Most of those vans had a recall on that part.
You need to have someone with a scan tool check the airbag system for trouble codes. The airbag system is not a place for do it your selfers.
It is on because there is a problem with the SRS. Take it to a professional, as working on the SRS is dangerous and not a DIY job.
Probably a bad clockspring, be carefull that probably meens you're airbag is out of function too, Does the airbag light come on?
The airbag computer has detected a malfunction and set a code.
The airbag light stays on when there is a malfunction. The airbag computer will have stored a trouble code. When the failure is repaired the light will shut itself off.
The airbag light stays on when there is a malfunction in the system. The airbag computer will need scanned to know possible causes.
The airbag computer has detected a malfunction and set a code.
The airbag light stays on when the computer detects a malfunciton and sets a code. You will need to have the system checked with a scan tool.
There are several reasons the airbag light will stay on, in your 1998 Dodge avenger. The most common reason is the airbag sensor is not functioning properly.
The airbag light stays on when the computer detects a malfunction. The problem will need to be repaired before the light will turn off.
The airbag light stays on when the computer has detected a malfunction and set a code. Clearing the code with out repairing the failure will not shut the light off.
if the light is on the airbags are off-line (not working)