6-way power seats plus power belt tower is standard for all vehicles.

Front and rear 4-way power lumbar support (AL2) is standard on the DeVille High Luxury Sedan (HL) and front seat only is standard for the DeVille Touring Sedan (P). Front seat power lumbar is offered for the Base DeVille (L) as part of a packaged option (WA7). Power lumbar is not available for the Limousine or Hearse models.

With the personalization package (A45), the left front seat will have either power lumbar support (AL2) or adaptive seat (AC9).

Adaptive seat (AC9) is offered as an option for the HL and P models only. The adaptive option is not available with heated seats (KA1).

Lumbar massage (AM3) is standard for the HL and P models, and is not available for the L, Limousine, and Hearse models.

Front and rear heated seats (KA1) is standard for the DeVille High Luxury Sedan, optional for the DeVille Touring model, and is not available for the Limousine or Hearse models.

Memory seat is a part of the driver personalization option (A45). Personalization is standard for the DeVille High Luxury Sedan, optional for the DeVille Touring model, but is not available for the base DeVille, Limousine, or Hearse models. Memory seat (A45) along with 4-way lumbar (AL2), power tilt telescoping steering (N37), and heated seats (AK1) are part of the Comfort & Convenience Package (WA7).