How Do I Replace a Lost or Damaged Safety Key? Horizon Fitness Updated August 25, 2021 20:56 To purchase a replacement safety key, please visit our parts website. Was this article helpful? Yes No 0 out of 0 found this helpful Have more questions? Submit a request Related articles How Do I Complete Tensioning and Aligning a Treadmill Running Belt? What is Covered Under the Cardio Equipment Warranty? Tensioning and Centering the Running Belt How to Pair Console Bluetooth Speakers to a Tablet or Phone How Does the T101-06 Treadmill Connect to Apps? Comments 0 comments Please sign in to leave a comment.