Cars and TransportationWhat makes car seats comfortableTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoCars and Transportation07/06/2016July 6, 2016Drive it tested the new Opel Astra’s ergonomic seats, which have been commended by experts on back and spine health. A new massage function in the seat relaxes the driver's back muscles.https://p.dw.com/p/1JJN4Advertisement