Climate Control System (P224) Press the AUTO button to activate the climate control system. Press the button to turn the system on or off. Press the button to defrost the windshield. Quick Reference Guide Models without SYNC button (ON/OFF) Button Temperature Control Dial Fan Control Dial AUTO Button (Recirculation) Button (MODE Control) Button A/C (Air Conditioning) Button (Fresh Air) Button (Windshield Defroster) Button Air flows from floor and windshield defroster vents. Air flows from floor vents. Air flows from floor and dashboard vents. Air flows from dashboard vents. 17