ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,308, issued on Nov. 11, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS (Detroit).

"Vehicle carwash detection and entry assistance system and method" was invented by Chad R Cunningham (Shelby Township, Mich.) and Brenton John Sirowatka (Clarkston, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and method are provided for carwash detection and entry assistance of a vehicle. A system includes a controller that operates to identify the presence of the vehicle at a wash facility, and to determine whether an operator of the vehicle has accepted entry assistance. When the operator has accepted entry assistance, the controller prepares the ve...