Hardwired Quick Start Guide

MT-121 & 131

The MT-121 and 131 devices come ready to install in your vehicle. Mastrack HIGHLY recommends all installations be completed by a professional.

If you bought your device from Mastrack.com:

  • It will arrive already activated, and your username and a temporary password will have been emailed to you.
  • Simply have the device installed by a professional such as a mechanic, or anyone who could install a car radio or remote start. See the installation help page.

If you bought the device through one of our vendors, such as Amazon.com:

  • Simply go to our website, Mastrack.com, and click the "Activate" tab near the top right of the screen.
  • After purchasing a service plan to go with your device, and creating a unique username, an email will be sent to the email address you provided containing a copy of your username and a temporary password.
  • Use these to log in to your account, and when prompted, enter your device's serial number.
  • Simply have the device installed by a professional such as a mechanic, or anyone who could install a car radio or remote start. See the installation help page.