Tl* the contact owns a 2008 cadillac cts. while driving approximately 70 mph, the vehicle slowed down to approximately 30 mph. the traction and "satellite off" indicators illuminated. the failure recurred three times and the vehicle was towed to an independent mechanic each time. the mechanic was unable to duplicate the failure. the dealer and manufacturer were not made aware of the failures. the vehicle was not repaired. the failure mileage was approximately 180,000. the vin was not provided.