Hyundai is conducting a Service Campaign to replace the Tire Pressure Monitoring System (TPMS) valve stem cap and/or valve stem on 2017 model year Night edition Tucsons. The affected vehicles include:? 2017 Tucson (TL) Night edition ONLY with a production date range of February 13, 2007 to July 15, 2017. Hyundai is initiating this action to ensure the quality of its vehicles and the continued satisfaction of Hyundai customers.