Some 2016-2018 Explorer vehicles may automatically switch from A/C to heat and defrost after 1 minute during a remote start idle when the customer expects the A/C remain on. The system will return to normal operation after the ignition is turned to the run position. Do not attempt any repairs at this time. Engineering is investigating, monitor OASIS for updates. To assist with the investigation, use the Report A Vehicle Concern link at the bottom of the OASIS report to complete the form.