How Do I Purchase Credits For My Interface?
Log into your account at www.hptuners.com
If you haven't already done so, make sure to register your interface device
Once registered, the module will appear in your My Devices list. Select My Devices on the My Account page
Select Add Credits.
Select the type and quantity of credits to add to your shopping cart.
Need more support?
Check out our community forum for answers to your questions.
Browse our product technical documentation.
Our support staff are available during normal business hours.