Airbag deployable by pillar-mounted pyrotechnic device

A vehicle comprising:

• a vehicle pillar;
• a vehicle roof supported by the vehicle pillar;
• a passenger compartment including an occupant seating area for a wheelchair;
• an airbag supported by the vehicle roof and inflatable to an inflated position, the airbag in the inflated position having a first side portion extending from the vehicle roof, a second side portion extending from the vehicle roof and spaced cross-vehicle from the first side portion, and a front portion extending from the first side portion to the second side portion, the occupant seating area being between the first side portion and the second side portion, the front portion being above the occupant seating area and extending from the roof vehicle-forward of the occupant seating area;
• each of the first side portion and the second side portion having a bottom spaced downwardly from the roof in the inflated position;
• a pyrotechnic device supported by the vehicle pillar, the pyrotechnic device being coupled to one of the first side portion or the second side portion of the airbag;
• a vehicle floor spaced downwardly from the vehicle roof, the vehicle floor being designed to support a wheelchair;
• the vehicle floor including latches below the occupant seating area, the latches the designed to be engageable with wheels of a wheelchair in the occupant seating area;
• and
• a strap extending across the occupant seating area from the bottom of the first side portion to the bottom of the second side portion, the strap being spaced vehicle-rearward from the front portion.