SOME VEHICLES MAY EXHIBIT ONE OR MORE OF THE FOLLOWING CONCERNS: • THE HIGH ENGINE COOLANT TEMPERATURE WARNING LIGHT ON WITH DTC P111A:00 (ENGINE COOLANT TEMPERATURE IS HIGH) IN EXTREMELY COLD TEMPERATURES. • POOR HEATER PERFORMANCE. • LOW COOLANT CONCENTRATION. THE COOLANT CONCENTRATION MAY NOT HAVE BEEN ADJUSTED PROPERLY DURING MASS PRODUCTION. THIS MAY CAUSE COOLANT FREEZING IN EXTREMELY COLD TEMPERATURES.