Certain 2014-2020 Model Year Multiple Vehicle Lines 3G Telematics Control Unit to 4G Upgrade Kit The North America 3G cellular service began decommissioning in August 2021 and will be fully decommissioned in February 2022. Vehicles on the road equipped with a 3G telematics control unit (TCU) / embedded modem will lose mobile app functionality/connectivity. Some owners are still within the *complimentary trial period (depending on model year and brand, see table below) for connected services.
