: XM, OnStar, vinyl roof



Submariner409
06-15-08, 04:55 PM
GM TSB 02-08-44-007C of 01/08/08 cautions dealers not to install cloth or vinyl roof coverings on cars equipped with XM radio or OnStar due to signal interference leading to degraded performance.

www.alldatadiy.com (http://www.alldatadiy.com) TSB list update.