OPTIMA 16 Korea built (VIN K, 1st digit), LX, radar unit (rear, blind spot alert), L. OPTIMA 16-18 US built (VIN 5, 1st digit), radar unit, rear (blind spot alert, behind cover), L. OPTIMA 17-18 Korea built (VIN K, 1st digit), radar unit, rear (blind spot alert, behind cover), LX, L.
