Here's a general timeline:
* 1973: The first production vehicle with an airbag was the Oldsmobile Toronado.
* 1980s: Airbags became optional on some models.
* 1990s: Driver's side airbags became increasingly standard.
* Late 1990s to early 2000s: Dual front airbags became standard on most models.
To find out the specific year a Chevy model came standard with airbags, it's best to look up the year and model on a reputable source like:
* The National Highway Traffic Safety Administration (NHTSA): [https://www.nhtsa.gov/](https://www.nhtsa.gov/)
* Edmunds: [https://www.edmunds.com/](https://www.edmunds.com/)
* Kelley Blue Book: [https://www.kbb.com/](https://www.kbb.com/)
You can also check the owner's manual for your specific Chevy model.