An airbag system includes a first seat including a seat bottom. The airbag system includes an instrument panel. The airbag system includes a first airbag supported by the seat bottom and inflatable to an inflated position. The airbag system includes a pair of front airbags supported by the instrument panel and inflatable to inflated positions. The first airbag in the inflated position extends from the first seat to between the pair of front airbags in the inflated positions.