the temp gauge shows that it's overheating .

Hello i recommend you have a qualified repair center perform a cooling system diagnostic due to it could be the engine coolant temp.sensor or the thermostat this vehicle even has a instrument cluster problem too.The repair center should be able to scan your on-board computer and compare the temp.reading from the ECT sensor and the temp.gauge and also performed further diag.HAVE A BLESS DAY from DR. RECO.