Available ergonomic seats for the driver and front passenger were certified by the Aktion Gesunder Rücken (AGR, “Campaign for Healthier Backs”), an unbiased panel of back experts. The AGR-accredited front seats offered six-way movement and a broad selection of adjustment, with a driven, pneumatic lumbar support, a 60 mm (2.4 in) seat cushion extender, and a lengthy, Buick Cascada 280 mm (11.0 in) fore/aft travel movement. For much of its existence…