Airbag assembly for child-restraint system

A vehicle comprising:

• a vehicle seat having a seatback and a seat bottom defining an occupant-seating area;
• an airbag housing having a first arm fixed to the seatback and a second arm rotatable from the seatback toward the seat bottom adjacent the occupant-seating area;
• an airbag extending from the first arm to the second arm, the airbag being fixed to the first arm and the second arm;
• and
• a second airbag housing spaced from the airbag housing, the occupant-seating area being between the airbag housing and the second airbag housing;
• the second airbag housing having a first arm fixed to the seatback and a second arm rotatable from the seatback toward the seat bottom;
• a second airbag extending from the first arm of the second airbag housing to the second arm of the second airbag housing, the second airbag being fixed to the first arm of the second airbag housing and the second arm of the second airbag housing;
• and
• a computer including a processor and a memory storing instructions executable by the processor to:
• detect a removeable child-restraint system on the occupant-seating area;
• based on the detection of the removeable child-restraint system on the occupant-seating area, inflate the airbag in response to detection of certain vehicle impacts;
• and
• based on detection of the removeable child-restraint system on the occupant-seating area, inflate the second airbag in response to detection of certain vehicle impacts.