I recently purchased the Ebahn service manual hoping information regarding the Turn Signal relays, heated seats and Driver Information Display system. The Service manual doesn't seem to cover much of this information. For example, I was looking for info. on how to replace the turn signal relay but it is not in the service manual. My main question is, is this information available in one of the other manuals? I realize that SparTTan wrote an excellent post on how to replace the relay, but I expected this information to be available in the service manuals.