 The DP01 was officially unveiled to the public at the Champ Car Grand Prix of Road America on September 24, 2006.Brazilian Roberto Moreno piloted the DP01 at the unveiling, putting down a few demonstration laps shortly before the feature Champ Car race that day.The first Champ Car open test of the DP01 took place January 23 to January 25, 2007 at Sebring International Raceway.