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 a complete shutdown of the 3G network took place in February 2022. Vehicles on the road equipped with a 3G telematics control unit (TCU) / embedded modem will lose mobile app functionality/connectivity.
