Software Release Notes:
Accesstuner is Windows compatible only. We do not support Mac OS at this time. 
See the latest changes as well as a history of changes that have been implemented in Accesstuner software.


Step-By-Step Accesstuner Update Instructions:

    1. Open the Accesstuner software on your computer.
    2. Click on Help in the menu bar.
    3. Select Updates.
    4. Select Check For Updates.
    5. Select Get Updates.


Mitsubishi Accesstuner Help
A comprehensive guide that walks you through the Mitsubishi tuning process.


Text Tutorials: