Once installed open the new program labeled Tuner update application V2, connect the tuner to the PC with the supplied USB cable, And select "Update tuner" to complete the file transfer. When you first flash the 2010 and newer vehicles they shift harder than normal. They have adaptive learning and will soften up, but still be firmer than stock as it learns how you drive.

Please allow up to 3 business days for tune requests to be processed.