Reviewed By Arden D (Mooresville, NC) Reviewed for a 2012 Chevy Silverado —7/11/2017 5:55 AM
Device just plugs in. The lights do not interfere with anything. The device keeps the engine in V8 with no more switching back and forth to V4. Cannot tell any measurable difference in fuel mileage. I have not seen any engine codes due to the device.