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Hover Over an Option
To get a detailed description of each category and it's available options, to help you make the correct selection.
Retain Steering Wheel Controls
Keep your factory steering wheel controls with Metra's ASWC-1. Easy to install with an aftermarket radio, easy to program with our auto detect feature.
Replace Factory Radio
Remove that featureless factory radio and install an aftermarket radio with Axxess's radio replacement interfaces and harnesses.
Add Remote Start
Cut down in installation time with Axxess's remote start vehicle specific harnesses.
Add Cameras to Factory Radio
Stay aware of your surroundings and improve safety by adding cameras to your existing factory screen.
Add Amp to Factory Radio
Get the sound quality you're looking for by adding aftermarket amplifiers to your factory radio with Axxess's Add-n-amp option.
Device Connection
Stay safe and connected while driving by installing an Axxess connectivity interface and mobility products.
Digital Signal Processor
Upgrade your sound, keep your factory radio and retain your functions with our versatile digital signal processor.
Override Engine's STOP/START
Override Interface for Ford, Chrysler, Dodge, & JeepĀ®. Simple install to override or re-engage the stop engine feature!


Toyota 4 T-Harness 2011-2018

USA MSRP: $79.99 USD

  • Axxess remote start T-harness
  • To be used with the AX-ST-01 or AX-ONE-01

See the Axxess Start Application Chart


  • Camry 2012-2014 G-Key
  • Camry 2015-2017 H-Key
  • PriusC 2012-2014 Hybrid G-Key
  • PriusC 2015-2018 Hybrid H-Key
  • Yaris 2011 G-Key
  • Yaris 2015-2018 H-Key

Required Installation Parts

AX-ONE-TTOY4 requires additional parts for installation.
See Product Features for details.