Coolant leak for the oil cooler. Take it in and have it repaired...there is a TSB for this.
2010 Inferno Orange 2SS/RS M6 Black Leather,Sun Roof, OBX Headers, Haltech CAI , non synthetic fluids, Mike Norris tuned 419/413
Avenging Orange: 36 years of not buying into the Hype........and damn proud of it!!