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Exclusive STOP/START Override Interface Now Shipping from Axxess

Holly Hill, Fla. –  August 1, 2019 – Axxess® by Metra Electronics® is now shipping a new product designed to automatically disengage the STOP/START engine feature on vehicles, featuring patent-pending and exclusive interface technology. This interface, the AX-SSO, is now available, along with vehicle-specific harnesses for select Ford vehicles. A solution for select Chrysler, Dodge and Jeep vehicles is coming soon and Axxess will be expanding the AX-SSO product line to work with additional vehicle applications.

Having the engine turn off when stopped may be bothersome to some people, especially if it causes the air conditioning or heat to turn off at a long traffic light during the summer or winter months. Now installers can offer drivers the option to override or re-engage this feature automatically, whether they have a factory or aftermarket radio installed. The vehicle type is configured through Axxess Updater PC software and a simple four-wire installation is done at the radio location.


  • Allows the override of the STOP/START engine feature
  • The factory STOP/START button can resume the STOP/START feature
  • Can be used with either a factory or aftermarket radio
  • Vehicle type configured through the Axxess Updater software program
  • Simple four-wire installation

AX-FD-SSO - Vehicle-Specific Solution for Ford

Includes AX-SSO interface and vehicle-specific harness

Designed for:

  • F-150 2015-up*
  • Focus 2016-up*
  • Fusion 2015-up*
  • Edge 2015-up*
  • Escape 2017-up*

AX-CH-SSO - Vehicle-Specific Solution for Chrysler (Coming soon)

Includes AX-SSO interface and vehicle-specific harness

Designed for:

  • Chrysler Pacifica 2017
  • Dodge Durango 2016-up*
  • Jeep Cherokee 2016-up*
  • Jeep Grand Cherokee 2015-up*

Visit for up-to-date vehicle-specific applications and more information.

At Metra, 12-volt installation and integration is our passion. We strive to continuously offer the highest quality products to meet the fluctuating technological challenges of the automotive world.  We actively listen to our customers’ requests and invest resources in developing the highest quality dash kit and harness solutions. We make more dash kits for more vehicle applications than anyone else in the world. That’s why we’ve been known as “The Installer’s Choice” ® for more than 72 years. Our other brands include: Axxess®, T-Spec®, The Install Bay®, Heise LED Lighting Systems®, iBEAM Vehicle Safety Systems®, Shuriken High Performance Batteries®, Raptor®, Ballistic®, AmmoTenna®, Metra PowerSports®, Saddle Tramp™ and Metra Marine®. Metra’s expertise in connectivity solutions is also applied to its division of premium home theater and surveillance products, Metra Home Theater Group®.  For ordering information and pricing, visit Metra Electronics online at or call 386-257-2956.

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