Note: The following article is a best-effort reference for our customers and is provided "as-is" without any express or implied warranty. does not provide detailed troubleshooting as these are potentially complex tuner problems, not unlocking ones. Please proceed at your own risk.

The Install Download option is used to install tuning onto a vehicle, or return a vehicle to stock.

NOTE: Returning to stock is required in order to install your tuner on another vehicle.

Return to Stock Procedure

  1. Press Menu. To get into the Mini Maxx main menu.
  2. Select Install Download. You may have to scroll down to find this option.
  3. Select Return to stock (OEM tune). This option will return the vehicle to its factory software level and unlock the H&S device. This is highly recommended if taking the vehicle in for service or maintenance.

Before installing the download:

  1. Make sure the tuner is properly plugged in.
  2. Make sure the harness is properly installed.
  3. The vehicle battery is fully charged.
  4. The vehicle is warmed up to operating temperature.
  5. The SD Card is plugged into the side.