Honda CR-V heater not working, no heat at idle or stop on Honda CR-V

Some Honda CR-V owners report experiencing a lack of heat at idle or when the vehicle is stopped, which may be attributed to several factors. Low coolant levels can lead to inadequate heat circulation in the heater core, resulting in insufficient warmth. Additionally, a faulty thermostat that remains stuck open can cause weak heat output, particularly while in motion. Issues with the heater core or coolant flow to the heater core may also result in cold air blowing from the vents. Furthermore, a malfunctioning blend door actuator can disrupt airflow and temperature control, causing no heat or uneven heating inside the cabin. It is advisable for owners to check these components and consult a qualified mechanic if the problem persists for effective diagnosis and resolution.