What is the fine-grained topic of the following text: Volvo ensures the safety and security of its passengers with equipment such as: dual front impact airbags with occupant sensing airbag, front side impact airbags, integrated rear child seats, traction control, brake assist, anti-whiplash front head restraints, a panic alarm, an emergency communication system, and 4 wheel disc brakes with ABS. Only return the topic.
Safety features in Volvo cars