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TOLERANCE STACK Articles


Making the Case: NHTSA Airbag Exemptions for Medical Orthopedic Seat Upgrades
For individuals suffering from chronic back injuries, herniated discs, or other spinal conditions, standard automotive seating can transform daily driving from routine transportation into a painful ordeal. Many seek orthopedic seating solutions that provide the lumbar support, pressure distribution, and ergonomic positioning necessary for comfortable and safe driving.

Services @ TS
Oct 210 min read


How Added Seat Weight Affects Toyota Truck and SUV Airbag Safety Systems
Modern vehicles are equipped with sophisticated safety systems, including the Supplemental Restraint System (SRS), which integrates airbags and sensors for occupant protection. In Toyota trucks and SUVs, the Occupant Classification System (OCS) plays a key role in determining the appropriate response of the front passenger airbag based on occupant characteristics. This system aims to prevent unnecessary or excessive airbag deployment, particularly for children or smaller adul

Services @ TS
Sep 177 min read


Engineering a Solution: Calibrating Toyota Tacoma/FJ Cruiser Passenger Load Cell System with Springs and Spacers
Navigating the intricacies of modern vehicle safety systems reveals a fascinating level of technological sophistication, particularly within Toyota's Occupant Classification System (OCS). Found in vehicles like the Tacoma (2nd and 3rd Gen, 2005-2023), FJ Cruiser, and 4Runner, the passenger seat houses a precisely calibrated array of load-cell sensors – typically four per seat for earlier models and two in the latest – all working in unison.

Services @ TS
May 135 min read
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