D.D.B. said:
I think you need to order the assist steps through the GM accessories brochure
The assist steps are put on by the dealer and cost around $900 installed. You can order the integrated assist steps for under $700 through GM Parts Direct:
(
http://www.gmpartsdirect.com/accessories/frameset3.cfm)
17802582 Assist Steps, Molded Charcoal Metallic w/ Buick Tri Shield Logo (40U, 67U, 78U)
17802585 Assist Steps, Molded Dark Argent w/ Buick Tri Shield Logo (25U, 58U, 80U)
17802583 Assist Steps, Molded Dark Cocoa Ash w/ Buick Tri Shield Logo (51U, 81U)
17802584 Assist Steps, Molded Dark Red w/ Buick Tri Shield Logo (12U)
17802581 Assist Steps, Molded Statin Nickel Metallic w/ Buick Tri Shield Logo (98U)
GM LIST: $739.00
OUR PRICE: $610.41
They are ordered by the color of your car.